One of the angles formed by two intersecting lines measures 50° less than another. Find the measures. Please show work and a reason for it, thank you! :)
(No links please!)

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

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²