Adoghouse is to be built in the shape of a right trapezoid, as shown below. what is the area of the doghouse?

a) 32.5 square feet
b) 40 square feet
c) 187.5 square feet
d) 375 square feet

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

True or false look at the picture pls : /

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%