PLEASE THIS IS URGENT. ANSWER BOTH 9 AND 10 PLEASE AND SHOW ALL WORK PLEASE. Find the measure of the arc or angle indicated.​

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

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

If f(x)=3 over x+2 - square root x-3 then f(7)=