Neda sells televisions. She earns a fixed amount for each television and an additional$15 if the buyer gets an extended warranty. If Neda sells 12 televisions with extended warranties, She earns $780 . How much is the fixed amount earns for each television?

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)

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