Helen is 8 years older than Jane. Twenty years ago Helen was three times as old as Jane. How old is each now?

You reach into a bag of coins and withdraw two coins. What is the probability you withdrew a nickel and then a dime if the bag held five pennies, ten nickels and four dimes?

The sides of a rectangle measure 2 cm and 4 cm. How many lines of symmetry does the rectangle have?

Sarah's youth group is selling candy bars for a fundraiser. The candy bars cost $1.50 each. To date, they have raised $700. Their goal is to raise more than $2,500.

Find the price of one candy bar of ten candy bars cost $78.

William has a pair of identical number cubes. the faces of each cube are numbered 1 through 6. william will roll the cubes one time. what is the probability that the numbers showing face-up after the roll will have a sum of 9? a. 1/18b. 1/9c. 3/4d.

Solve for b. 6b + 5a = 7b - 2a + 3 -7a + 3 7a-3 A. b = B. b = 13 13 C. b = 7a - 3 O D. b = - 7a + 3

Mr. Schwartz builds toy cars. He begins the week with a supply of 85 wheels, and uses 4 wheels for each car he builds. Mr. Schwartz plans to order more wheels once he has fewer than 40 wheels left.

I am the number that divided the dividend

If X=5 and 5=y, then x=y Ar algebraic equality property justifies the above statement?

The net of a three-dimensional figure is made of 6 rectangles that may or may not be squares. Depending on the number of rectangles that are squares, which could be the figure? Check all that apply.