At a local school, 940 students each wrote 40 letters to students in another country. How many letters were written in all?

isabel received a $90 gift card for a coffee store. She used it in buying some coffee that cost $8.17 per pound. After buying the coffee, she had $49.15 left on her card. How many pounds of coffee did she buy

Antone is taking four of his friends to see the latest movie. Each ticket is $5.50, and he is paying for all five tickets. How much money does Antone need to bring to pay for all of the tickets? A. $22.00 B. $27.50 C. $88.00 D. $110.00

20.4 is what percent of 17?

A multiple choice test has 20 questions. Each question has five possible answers, of which one is correct. If a student guesses on every question, find the probability that the student will get exactly 12 correct.

Define an even function.

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?