Answer:
Step-by-step explanation:
Percy is not correct because he applied the zero product property to a factored expression that was not equal to 0. He should have subtracted 12 from both sides to get x2 + 7x = 0 before factoring. The correct solutions are 0 and -7.
the sum of 27,28,29,30 is 114
Answer is to the question is 20
A
since 36=6² and the other option is not square of integer
The discount percentage has been given: ($ 65 / $ 79) x 100 = 82.27%
So the discount percentage is: 100% -82.27% = 17.72%