To prove that the triangles are similar by the SAS similarity theorem, it needs to be shown that

a. b. c. ac/gi = hi/bc
d. ac/gi = bc/hi

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Rationalize the denominator- 12x/√x-10

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?