Irene thinks she has space for a 45-inch - wide bookcase. It turns out that she only has space for a 40-inch-wide bookcase. What the percent error in Irene's measurements?

What does it mean to find the reciprocal?

Whats 4.40 rounded to the nearest tenth

Write and solve the inequality: the quotient of a number and - 3 is greater than the quotient of 5 and 6

X-y = 0 X+y=-2 Find the solution of the equation 1. (-3,-3) 2. (-1,-1) 3. (5,-3) 4. no solution

Type the correct answer in the box. Write your answer as a whole number. The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. A cone is used to fill the cylinder with water.

What is the scale factor of lmn to opq?

3. Which of the following is equivalent to 3 (y - 1 + 2y) ? A. 3y - 9 B. 6y - 3 C. 9y - 3 D. 3y - 3

If y various directly with x, write an equation for the direct variations. The find each value. 1.) If y = - 4 when x = 10, find y when x = 5 2.) If y = 12 When x = - 15, find y when x = 2 3.

89 (54x - 36) + 2 = - 3/4 (-40 + 16x) + 90xsolve for x

The ratio of cars to vans in a parking lot is 1 to 4. If there are 40 cars and vans in the parking lot altogether then how many vans are there?