Fine the difference (2ab-5a-7) - (-5ab-7)

Round the numbers to the nearest cent and then to the nearest dollar. 23. $62.756 24. $38.415

you go shopping and your bill comes to $54. The sales tax added on equals 7%. What is the amount of sales tax added to you bill? The sale tax added to you bill is?

answer to math problem: a chef cooked 8 kilograms of mashed potatoes for a dinner party. If the guest only ate 2/5 of the amount he cooked, how much did they eat?

Jared recently purchased a new pair of running shoes. He got a 20% discount, which saved him $9.00. What was the original price of the shoes?

A box has a volume given by the trinomial x3 + 7x2 - 18x. What are the possible dimensions of the box? Use factoring.

Find the product. (r + s) 2 a) r² + 2rs + s b) r² + 2rs + s² c) r² + 2rs + 2s²

What is the radius of a cylinder with a diameter of 36?

Find the following percentages. a. 15% of 930 b. 6% of 120 c. 4.2% of 50 d. 200% of 145

A customer uses a 50% coupon good toward any household cleaning product. if the customer's purchase consists of the items below, what is the final bill including a 6.5% sales tax? 1 greeting card $1.10 1 carpet shampoo $6.90 2 packs of gum $0.

32 teams qualified for the 2014 world cup. If the names of the teams were arranged in sorted order (an array), how many items in the array would binary search have to examine to find the location of a particular team in the array, in the worst case?