Currently about 9 in 10 people own a cell phone in the US. If there are 428 people on an airplane, approximately how many of them own a cell phone and need to turn it off. 375

380

385

390

Simplifying expressions without negative exponents with variales

Which answer best describes the solution to the equation 3m - 9 = 9 + 3m? A. one solution B. no solution C. an infinite number of solutions D. m = 27

Simplify the expression (x^1/6) ^3

6) What is the solution to: 5y-2 (3y - 9) = 2 (4y - 9)

The length of a rectangular portrait is 1.5 times the width. The perimeter is 10 feet. What is the length of the portrait?

Dina made 34 sandwiches. Each sandwich has 2 slices of cheese and 5 slices of turkey. Which expressions correctly show how to find the total number of slices used for the sandwiches? Choose exactly 2 answers that are correct. A.

How many remainders are possible when 7 is made as the divisor?

Solve the equation by factoring. z2 - 6z - 27 = 0 a. z = - 3 or z = 9 b. z = - 3 or z = - 9 c. z = 3 or z = 9 d. z = 3 or z = - 9

Factor completely: 4x^2 + 16x a - 4 (x^2+4x) b - x (4x+16) c - 4x (x+4) d - prime

Is 2.752 rational or irrational