Let x be the number of $75 trees and y the number of $85 trees. Which system of inequalities represents this situation?

2. Solve 3^4x-5 = (1/27) ^2x+10 for x. Show your work.

Which algebraic expression is equivalent to the expression below 6 (2x+5) + 4x

What is the minimum number of 7 passenger vans needed to transport 19 people? 12 6 4 3

Simplify like terms: 2 (x+y) - 5x+9y

This is ur problem sis u got this Which of the following is equivalent to 16a2 - 49 A. (4a - 7) (4a - 7) B. (4a + 7) (4a - 7) C. (7 - 4a) (7 - 4a) D. (7 + 4a) (7 - 4a)

Use properties to figure 107+0+39+13

At a camp, kids can choose swimming, art, or music. 40 kids choose swimming, 16 choose art, and 24 choose music. What is the ratio of kids who choose art to kids who choose swimming?

3. Nine times ten to the negative third power

Josie read 100 pages of her book last week and 146 pages this week her older brother says he read about 3 to 4 times as many total pages as Josie explain why 2,500 is not a reasonable estimate for the number of pages that Josie's brother read

Sam has three identical tennis balls with a diameter of 2.7 inches. Determine the volume of all three tennis balls?