How much interest is earned on a principal of $846.81 invested at an interest rate of 5% for two years?

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?