3. What happened when you had a positive minus a negative, a - (-b) ?

The cost of 2 milk cartons is $5.50. How much for one carton of milk?

6y - 3y + 3y - 5y = 11

Brenna already owns 3 necklaces, and additional necklaces are priced at 2 for a dollar. How much money does Brenna need to spend on new necklaces in order to own a total of 37 necklaces?

The ratio of teachers to students at a school is 3:74. There are 2,500 students at the school. About how many teachers are at the school? A) 35 B) 100 C) 300 D) 600

Gueguen and Jacob asked waitresses to wear different colored T-shirts on different days for a six-week period and recorded the tips left by male customers.

If the second term in a geometric sequence is 20 and the fourth term is 11.25, what is the common ratio

Is 976 - 522 more or less than 400? Explain how you can tell without actually subtracting.

Which of the numbers: 28,33,45,57,39,36 could be subtracted from 84 without regrouping? Explain.

Evaluate C (7,7) 1. 0 2. 1 3, 7

It takes Zack 15 minutes to walk 7 1/2 blocks to the swimming pool