According to my teacher she says its b
Answer:
x=9, x=-9
Step-by-step explanation:
subtract 3 from both sides
x^2=81
then squareroot both sides (remember that there is a positive and negative solution!)
x=9, x=-9
Slit the shape into a rectangle and two triangles:
Rectangle = 9 x 8 = 72 sq. Ft.
Triangle = 1/2 x 8 x 2.5 = 10 sq. Ft x 2 = 20 sq. Ft.
Total area = 72 + 20 = 92 sq. Ft.
3 coats x 92 = 276 sq ft worth of paint.
1 quart covers 200 so he would need to buy 2 quarts:
2 x $8.97 = $17.94 total
Answer:
12
Step-by-step explanation:
What interest rate do you need for a $5000 investment to double in 10 years? ... 3. How much money do you need to invest at 2 34 % in order to have $12,000 after 7 ... 5. How much interest will you earn in 8 years if you invest $7500 at 4 14 ... If you deposit $4000 into an account paying 9% annual interest compounded
i really hope this helps
if not...IM REALLY SORRY:(:<
