A store bought a diamond ring at a cost of 8000 and marked it up 25%. Tommy bought it and paid 15% sales tax. what was his total cost?

The trigonometric form of a complex number is unique - True or false?

Jerry repairs computers. He charges $65 per hour plus $38 for parts. If T represents his total earnings and H represents. The number of hours spent on a repair which equation represents this situation.

How many integers between 10 and 50 (inclusive) meet the following conditions? 1. The sum of the digits is odd. 2. The number is a perfect square. a) 3 b) 4 c) 5 d) 6

Your round-trip drive to work is 4 ... miles. How many miles do you drive to and from work in 3 days? CLEAR CHECK 7 miles 120 miles 120 miles 8 miles

Evaluate f (f (3)) for f (x) = 3x-4 and g (x) - 2x+7

Evaluate the expression below when y = - 3. 2y + 7 -4y - 10 A. -1 22 B. -13 2 C. 1 2 D. 1

What is the prime factorization of 450

Crystal earns $5.25 per hour mowing lawns. Write a rule to describe how the amount of money m earned is a function of the number of hours h spent mowing lawns. how much does crystal earn if she works 2 hours and 15 minutes

12. A fruit basket contains oranges and grapefruits. One-third of the orange and one-fourth of the grapefruits were spoiled. You threw away 4 oranges and 7 grapefruits. How many pieces of fruit were in the basket?

What is the value of the expression 42-2? a. ½ b. 1 c. 8 d. 16