Answer:
B 9, -9
Step-by-step explanation:
x^2 - 81 = 0
Add 81 to each side
x^2 = 81
Take the square root of each side
sqrt(x^2) = sqrt(81)
x = ±9
3. Banks use interest in order to make a cut of the money.
1 sunflower = $?
8 sunflowers = $18
Divide $18 by 8 = 2.25
1 sunflower is $2.25.
Step-by-step explanation:
y-13<6
y<6+13
y<19
hope it helps.
