Mary and jolene are both growing tomatoes in thier backyards to sell. jolene had 3 times as many as mary. but birds had eaten 6 before she picked them all. for the season they have a total of 54 tomotoes. how many did mary grow?

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%

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g