My mother paid $21.70 to attend the exhibit. She had been given a discount of 65% because she was a pensioner. What was the original price?

[20pts]

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm