The height of a stack of 12 pennies is 18.24 millimeters. What is the thickness of each penny.

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