A recent survey suggests that 85% of adults know what Twitter is. How many adults should you survey in order to be 90% confident that your estimate is within 5% of the true population proportion?

Solve each problem by graphing -6x+4y=-12 y=-3

What is the answer m+4=-12

Bella made a drawing of her rectangular bedroom with the scale of 1 inch = 3 feet. The drawing was 5 inches long by 4 inches wide. What are the dimensions of Bella's room? What is the actual area? Show your work.

Solve for x if: 6x (-3) = (-5x) + 7

What are the 6 multiples of 1/3

Select each expression that is equivalent to 3 (n+6) select all that apply A. 3n+6 B. 3n+18 C. 2 (n+6) + n D. 2 (n+6) + (n+6) E. 2 (n+6) + n

Find the sum of the polynomials below. (8x9 + 6x6 - 2x + 6) + (9x9 + 4x6 + 9x + 7) A. 17x9 + 10x6 + 7x + 13 B. 10x9 + 17x6 + 7x + 13 C. 72x9 + 24x6 - 18x2 + 13 D. 17x9 + 10x6 - 7x + 13

Find four consecutive integers such that three times the sum of the first two integers exceeds the sum of the last two by 70.

Factor completely. 36y^2-x^2

A weather forecaster predicts that the temperature in antarctica will decrease 8°f each hour for the next 6 hours. write and solve an inequality to determine how many hours tt it will take for the temperature to drop at least 36°f.