Which equation shows the associative property of addition?

A.-4 (7+8) = - 4x7 (-4) x8

B.-7x (3x4) = (-7x3) x4

C.-8 + (8+7) = (-8+8) + 7

D.-3 + (7+3) = - 3 + (3+7)

Parker needs cardboard to complete a project for school. He is looking for pieces that are 3 1/2 feet long. He discovered that he would need 8 pieces to complete the project.

F (x) = - x^2+3x-4 and g (x) = 2-x, find (f*g) (x) and determine the domain

The population of a small rural town in Iowa went from 5700 people in 1998 to 7945 in 2005. What is the rate of change in the population for this town? A) - 321 per yr B) 321 per yr C) 1135 per yr D) 1825 per yr

Identify the rule for the following pattern: 99, 90, 81 ...

Ms. white had 15 students in his first grade class

What' is 8.2 times 10 to the negative second power in decimal form

Which ordered pair (*, y) satisfies the inequality?

Brycen can cover half a basketball court (about 14 meters) in 4.0 seconds flat! How fast can he run.

What percent of 99 is 72? show work

The cross section of a metal ingot is is a trapezoid the cross-section of an area of 39 square centimeters the top base of a cross section is 12 CM the length of the bottom base is 2 cm greater than the top base how tall is the Metal Ingot. explain