You deposit $1000 in a savings account that earns 5% annual interest compounded yearly. a. Write an exponential equation to determine when the balance of the account will $1500

b. Solve the equation

Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.