If a = 4 and b = 2, what is the value of the following expression?

5a + 2b - 7

5a + 2b - 7

A. 9

B. 31

C. 17

D. 18

Write equivalent expressions for: 8 ( * + 2) - 20

Nate has already prepared 4 kilograms of dough and will continue preparing 2 kilograms of dough every hour. How much dough did Nate prepare if he worked for 2 hours? Write and solve an equation to find the answer.

What is the probability that of two randomly selected women, one is 68 inches or shorter and the other is 68 inches or taller?

What is the value of 4 (3+5*3) : 9?

If a movie starts at 6:45 p. m and ends at 6:54. What is the minutes passed it?

What does seven plus seven equal

The amount of a sample remaining after t days is given by the equation P (1) - Al2where A is the initial amount of the sample and h is the half-life, in days, of the substance. A sample contains 60% of its original amount of Fermium- 257.

What order will result a final output of 131,065 when the first input is 64

The three incoming currents at a node in an electrical current measure. 7 amps,.68amps,.47 amps. two of the three outgoing currents measure. 8 amps and. 55 amps. find the measure of the third outgoing current

Your school raised 125% of it's fundraising goal. The school raised $6750 what was the goal?