An election charges $30 for a service call plus $75 per hour of service. if he changed $210 how many hours did he work?

What is the probability that a customer chosen at random is from the East given that he or she has been loyal from 10 to 14 years? Round your answer to the nearest thousandth.

55 divided (4 plus 7) times 6 plus (15 divided by3

There are approximately 7.5*10^18 grains of sand on earth. There are approximately 7*10^27 atoms in a average human body. Are there more grains of sand on earth or atoms in a average human body? How do you know?

Whats yall number we can study sometime

A coin is flipped 10 times where each flip comes up either heads or tails. How many possible outcomes (a) contain exactly two heads? (b) contain at most three tails? (c) contain the same number of heads and tails?

You rent a car for $29.85. The first 140 miles are free, but each mile thereafter costs $0.12. You plan to drive it 165 miles. What is the marginal cost of driving the car? A - The marginal cost is whatever can be purchased with $29.85 plus $16.56.

It took Melinda 60 minutes to run 5 miles. How many miles per minute did it take Melinda?

Suppose that the number of a certain type of computer that can be sold when its price is P (in dollars) is given by a linear function N (P). (a) Determine N (P) if N (1000) = 10000 and N (1700) = 5800.

Which is the equation for the statement: The result of subtracting a number from 3/4 is 7?

if the cones below are similar, what is the ratio of the slant height of the smaller cone to the larger cone when the Surface area of smaller cone is 52in and larger cone is 637in