Solve the system by the elimination method.
3x - 2y - 7 = 0
5x + y - 3 = 0
to eliminate y, the lcm is 2. which of the following is the resulting equations?

Franco wants to double the volume of the cone. what should he do?

Don't know how to find x given these segment lengths

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%