11.) Dean and Sam work at competing car dealers. Dean gets paid $700 and then $200 per car that he sells. Sam gets paid $1000 and then $150 per car that he sells. How many cars must they sell to make the same amount of money?

Simplify the expression 10/11(22z) + (a+5) -1

Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table

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%