Which number sentence shows the associative property of addition? Choose all that apply.

A. (12 + 3) + 4 = 12 + (3 + 4)

B. 11z + 9p = 9p + 11z

C. 2 (4 · 3x) = (2 · 4) (3x)

D. 7 + (11 + 8) = (7 + 11) + 8

A person on a moving sidewalk travels 21 feet in 7 seconds. the moving side walk has a length of 180 feet how long will it take to get on the other side of the sidewalk

22 gallons to 22 quarts ratio

a rectangular plot of land has the length of 4/7 mile and a width of 3/8 mile. what is the area of this plot?

Which weighs more 3/5 ton 7/8 ton 1/4 ton or 1/3 ton?

I have 6 shirts, 4 pairs of pants, and 6 hats. The pants come in tan, black, blue, and gray. The shirts and hats come in those colors, and also white and yellow. I refuse to wear an outfit in which all 3 items are the same color.

Which statement is true about the value of 1612 15 15/> 6 0 161 < 6 O 161 is the distance between 0 and 6, and the distance is always positive regardless of direction. O 161 is the distance between 6 and 0, and the distance is negative from 6 to 0

What factor is used to convert feet per minute into miles per minute

Given a = {1, 3, 5}, b = {2, 4, 6} and c={1, 2, 3, 4, 5, 6}, then a ∪ (b ∩ c. =

15 in. 1. A scale drawing of a patio is shown at right. The scale is 4 inches : 6.8 feet. What are the length and width of the patio? Find the patio's area. Length: Width: Area: 14 in.

Is negative square root of 35 rational or irrational?