I need help quick!!

There are 57 zombies in the library. Each zombie wants to check-out 22 library books. How many books will the library check-out to the zombies all together?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Angela is buying a dress that is on sale for 20% off. if the original price of the dress is $40.00, how much money is angela saving on the dress? a. $0.80 b. $3.20 c. $32.00 d. $8.00

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft.what is the area of the stage? enter your answer in the box. ft²