Alexis put $2000 in a savings account. after 4 years, she had $2543 in the account. what rate of interest did she earn? use the formula a = pert, where a is the ending amount, p is the principal (initial amount), r is the interest rate, and t is time.

Factor the monomial completely 42a3b3

What is the ratio of the length of an object in yards to the length of the same object in miles?

Apiling for a high-rise building is pushed by two bulldozers at exactly the same time. one bulldozer exerts a force of 1250 pounds in a westerly direction. the other bulldozer pushes the piling with a force of 2650 pounds in a northerly direction. what is the direction of the resulting force upon the piling, to the nearest degree? a. 65 n of w b. 25 n of w c. 45 n of w d. 35 n of w