I think the last two are correct.
Hope it helps
Answer:
68.75 miles
Step-by-step explanation:
12.5 x 5.5 is 68.75
Hope this helped!
Answer:
x=-1 and x=5
Step-by-step explanation:
we have

Solve it by completing the square method
We take the coefficient of x that is -4, divide it by 2 and then square it
so

square it

Adds 4 both sides

Combine like terms right side

Rewrite as perfect squares

take square root both sides


therefore


Answer:
<em>628 </em>
Step-by-step explanation:
Since the formula to find the volume of a cylinder is
h, we just need to fill things in.
Since the radius is 5 and the height is 8 and we know that pi=3.14, our new equation is:
3.14*5^2*8.
5*5=25. Now we simplify.
3.14 * 25 * 8
78.5 * 8
<em>628 </em>
Hope this helps!! <3 :)
She must get 46 questions correct to get a 92% on the test