Combine like terms:

1. - 21a 16a

a - 5a

b 5a

c 37a

d - 37a**

2. 5 (x 10) x

a 6x 15 * *

b 5x 15

c 6x 50

d 4x - 50

3a x 3a x 3a in exponent form

A. Show that the ratios 10/20 and 30/60 form a proportion by finding a common multiplayer. b. in part (a) are equal by writing them in simplest form.

Make this statement true by adding parentheses "2+36/12-10=19"

Hamilton middle school the signs of four digit identification number to each student. The number is made from the digits one, two, three, and four, and no digit is repeated.

Solve the system of inequalities by graphing x < - 5 x ≥ - 8

What is the slope of a line that is parallel to the x-axis? a. 0 b. 1 c. undefined

Jay Corporation has earned $175,900 after tax. The accountant calculated the return on equity as 12.5%. Jay Corporation's stockholders' equity to the nearest dollar is

The booster club is having a bake sale. The members place 25 baked goods in each bag. There are 630 baked goods donated. About how many bags will the club have for sale

Charlene is 8 years older than Aaron. The sum of their ages is 44. What are their ages?

Lenny earns at least $50 a day at his job. Write an inequality showing how much Lenny could earn on any day at his job.