Apply the commutative property to 13 x 7 x 21 to rearrange the terms and still get the same solution.

A. 13 + 7 + 21

B. (13 x 7) x 21

C. 12 x (7 x 21)

D. 21 x 7 x 13

An event manager recorded the number of people in different age groups who attended a music concert: A histogram titled Concert Audience is shown. The horizontal axis is labeled Age Group in years with bins 18 to 24, 25 to 31, 32 to 38, and 39 to 45.

Write the sentence as an equation. the total of 198 and a is equal to p

Which of the following is a rational number? Square root of 23 Square root of 22 Square root of 24 Square root of 25

If Sachi, Sheryl, Sharon, Shannon, and Stepahnie are all sitting on the backseat of the school bus, in how many different ways can they seat themselves?

Adam leaves school at 4 p. m. and walks home at a constant pace of three mph. Amy leaves school thirty minutes later, but she brought her bike that day and rides home at a constant pace of twelve mph.

5 (X-Y) in english meaning (word form)

When she was in year 8, Sarah could run 800 meters in 3 minutes and 20 seconds. Three years later, when she was in year 11, she could run 800 meters in 2 minutes and 40 seconds. Find the percentage improvement in her time and show your working out.

Veronique has a spinner with three sections of equal size, red (r), green (g), and blue (b). The spinner is spun twice. The sample space for the possible outcomes is S = {rr, rb, rg, gr, gg, gb, br, bg, bb}.

The sides of a rhombus are equal

Solve the equation: 5r - 4 (-5r - 7) = - 72