pl helo Saul made some extra money last year from a part-time job he invested part of the money at 2% with four times as much invested at 3.25% he made a total of $150.00 in interest. How much was invested at 3.25%?

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

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%