Explain how to use benchmarks to estimate 0.28 + 71

John deposited $2860 in a bank that pays 9% interest, compounded monthly. find the amount he will have at the end of 3 years?

An instructor gives a pop quiz consisting of 10 multiple choice questions, where each question has 5 choices, (a) through (e). What is the probability of passing the pop quiz if you guess the answers and you have to get 8 questions correct?

A sample of students were surveyed during lunch and asked whether or not they played a sport. A student randomly chosen from the sample plays a sport. Find the probability that the student is a freshman or a senior.

If the divisor is 30 what is the least three-digit dividend that would give a remainder of 8?

An Uber driver charges $0.50 per mile and an initial fee of $3. A Lift driver charges $0.60 per mile and an initial fee of $2.

What is the answer to the equation r+5/6=-3 1/6

Rearrange this equation to isolate c A=b (1/c-1/d)

Use the formula F=9/5C+32 to convert 24°c to degree F

Deluxe coffee is to be mixed with regular coffee to make at least 46 pounds of a blended coffee. The mixture must contain at least 11 pounds of deluxe coffee. Deluxe coffee costs $7 per pound and regular coffee $5 per pound.

Angie takes a loan of $1000 that has a simple interest rate of 3% annually. What is the amount of interest accrued after 2 years?