A student raises her grade average from a 75 to a 90. what was the percent of increase in the student's grade average? round your answer to the nearest tenth of a percent, if necessary. (1 point) 20% 16.7% 8.3% 15% 2. beanbag chairs that normally sell for $36.50 are on sale for $32.12. find the percent of discount. round your answer to the nearest tenth of a percent, if necessary. (1 point) 88% 12% 13.6% 3.38% 3. last year, austin, texas received 23.5 inches of rainfall. this year, austin received 21.2 inches of rainfall. find the percent of decrease in the number of inches of rainfall. round your answer to the nearest tenth of a percent, if necessary. (1 point) 2.3% 9.8%

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general 8 months ago 7901

Which statements are true about the ordered pair (2,3) and the system of equations?3x+4y=182x-2y=2Select each correct answer.A) The ordered pair (2,3) is a solution to the system of linear equations.B) The ordered pair (2,3) is not a solution to the system of linear equations.C) When (2,3) is substituted into the second equation, the equation is true.D) When (2,3) is substituted into the second equation, the equation is false.E) When (2,3) is substituted into the first equation, the equation is false.F) When (2,3) is substituted into the first equation, the equation is true.

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general 8 months ago 5161

Michael works in the marketing department of a company. He recorded the sales of his company for 10 consecutive months. The amount of sales, n(t), over time t, in months, can be modeled by a cubic function.Each of the following functions is a different form of the cubic model for the situation given above. Which form would be the most helpful if attempting to determine the number of months after which the sales were approximately constant?A) n(t) = 0.1(t - 8)3 + 51.2B) n(t) = 0.1t2(t - 24) + 19.2tC) n(t) = 0.1t3 - 2.4t2 + 19.2tD) n(t) = 0.1(t3 - 24t2 + 192t)

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general 8 months ago 7416

MARK AS BRAINIEST PLUS 10 POINTSMany Indus valley seals have been found in Mesopotamia in modern-day Iraq. Some Mesopotamian seals had Indus writing on them. Indus valley measuring weights have been found in the ancient city of Dilmun, which is also beyond the Indus valley. These discoveries show that Harappan traders conducted business all across the Persian Gulf. The Harappans traded important goods such as cotton and food grain crops.What can be concluded about Harappan civilization based on the information in this passage?The information shows that the Harappan civilization was based on_____ and ____.

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general 8 months ago 3643