By what number should you multiply the first equation to solve using elimination?

-3x - 3y = 27

-9x + 4y = 16

a. 6

b. - 3

c. 3

d. - 9

Evelyn is a salesperson who sells computers at an electronics store. She makes a base pay of $90 each day and then is paid a $10 commission for every computer sale she makes.

What is the equivalent decimal for 51/10

Which equation represents a proportional relationship? a. y=-5 (x+1) b. y = 5x + 1 c. y=-x d. y=15x

What is 10 to the - 7th power

A rancher estimates the weight of the bull to be 2100 lb. The actual weight of the bull is 2400 lb. Find the percent error. A. 8.5% B. 9.5% C. 12.5% D. 14.3%

How to solve this equation-1/2 a+3b-b+9

How do you Evaluate |-a2|, given a = 5, b = - 3, and c = - 2

Manuel drives 300 miles to Orlando fl. He drives at 50 mile per hour. After driving for two hours he takes 15 minutes break two hours after his first break he takes a 30 minutes break the he drive for two hours more including the two breaks how long

267.4 divided by 1/10

When the denominator of a proper fraction is 99, what do you notice about the repeating digits in its decimal form