Answer:
x^2 + x - 72 = 0
Step-by-step explanation:
x(x + 1) = 72 should be re-written in the standard form of a quadratic:
x^2 + x - 72 = 0. Same as the first answer choice.
X =15
Then plug 15 for each x value
By the fundamental theorem of calculus,
Answer:
naaa im good bby
Step-by-step explanation:
$17.60 is what she started out with. If she ended with $13.50, subtract the $4.70 so you get $8.80. Then you'd divide that by .5 to get 17.60.