The simplification of a rational multiplication or division problem is given. each step is numbered under the problem in parenthesis - (1), (2), (3), and (4). identify the number of the first step where a mistake occurs, if there are any.

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t