At a particular music store, CDs are on sale at $12.00 for the first one purchased and $9.00 for each additional disc purchased. Maria spends $84.00 on CDs. How many CDs has Maria purchased?

A. 6

B. 7.

C. 8

D. 9

What 2 numbers with multipled is - 18 and when added is - 7

A triangle has sides with lengths of 3x-5, 5x-3, and 4x-7. What is the perimeter of the triangle?

Is 4/13 or 6/13 greater than less than or equal too

Put these in order from Least to greatest. -23/6, 8 7/12, √17, 8.6, 3√12, - 2.18

The electronics store is having a sale on video games. The regular price for a video game is $42.90. Michael bought three games at the sale price and paid $90.09. What percent discount did he receive? A. 10% B. 15% C. 20% D. 30%

Would the margin of error be larger or smaller for 80 % confidence? Explain. A. To be less confident, the interval needs to contain the true proportion more often, so the margin of error would be smaller. B.

A survey is being conducted in a city of 1000, 000 residents. For that purpose, a random sample of size 1000 is chosen. The survey is conducted by choosing people one at a time, with replacement and with equal probabilities.

What is the constant term in the expression 8xy - 9x2 y - 5x + 6? - 9 - 5 6 8

How many pounds of nuts selling for $9 per lb and raisins selling for $3 per lb should a person combine to obtain 150 lb of a trail mix selling for $5 per lb?

Marty buys a bicycle for$350 reduced from $402,50 what is her percentage saving