-7
step-by-step explanation:
x^2 + 18x + 74 = (x + 9)^2 - 81 + 74
= (x + 9)^2 - 7.
so q = -7.
answer: b)
its a dot plot because since the score is not high numbers.
- r3ktforgood โ
n=9
7 times a number = 7n
decreased by 13 = 7n-13
same as is =
5 times the number = 5n
increased by 5 = 5n+5
7n-13 = 5n+5
2n=18