Do you think we invented math or did we discover it?

Mark deposited $40,000 in an account that earns compound interest. the annual interest rate is 6%, and the interest is compounded 6 times a year. the current balance in the account is $40,400. how long has the money been invested?

What is the next term of the geometric sequence? 2, - 10, 50,

What do all the group numbers have in common?

Evaluate 2x2 - 5y when x = - 3 and y = 4.

Find the sum. (-7b + 8c) - (12a + 14) + (5a + 5b)

Alejandro has 5 7/8 pizzas left over from a party. Is 1/4 of a pizza is a serving how many servings does Alejandro still have left?

Simplify 5 (R + 2) - 6. A. 5R + 4 B. 5R - 4 C. 5R - 6

Meg started her trip with 11 1/2 gallons of gas in her car's tank. She bought an additional 6 4/5 gallons on her trip and arrived back home with 3 3/10 gallons left. How much gas did she use on the trip?

Two buses leave the same station, at the same time, traveling in the same direction. One bus is traveling at a rate of 32 miles per hour, while the second bus is traveling at a rate of 38 miles per hour.

Which expression is equivalent to 2r (3s-5) ? ... A. 5r-7s B. 6rs + 10r C. 2r (3s-5) D. 6rs-10r