The equation a = p + prt is used to find the accumulated amount, a, of an investment with principal, p, a certain interest rate, r, and over time, t. what is the value for r, after the equation is rearranged?
r equals start fraction cap a plus p over p t end fraction
r equals start fraction cap a minus p over p t end fraction
r equals start fraction cap a minus one over t end fraction
r = a − p − pt

Franklin neason earns $5,250 a month as a sales manager. what is his semimonthly salary? a.$10,500b.$5,250c.$2,365d.$2,625

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.