PLZ HELP ME PLZ ANSWER CORRECTLY

What is the area of the square floor tile?\

A. 50 ft ^2 IS WRONG

Select one:

B - 100 ft^2

C - 100 square root 2 ft^2

D - 150 ft^2

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?