B. 55 seconds
The average equals the sum of all the numbers then divided by the amount of numbers added.
51+53+55+56+60=275
275/5=55 seconds
Answer: 3
Step-by-step explanation:
Evaluate is a fancy word for putting the value assigned into the equation and see what result you get.
![-2x^2-4x+3\\x=-2](https://tex.z-dn.net/?f=-2x%5E2-4x%2B3%5C%5Cx%3D-2)
![-2(-2)^2-4(-2)+3\\-2(4)+8+3\\-8+8+3\\3](https://tex.z-dn.net/?f=-2%28-2%29%5E2-4%28-2%29%2B3%5C%5C-2%284%29%2B8%2B3%5C%5C-8%2B8%2B3%5C%5C3)
<span>a rate of change of –8
so
27 - 8 = 19
19 - 8 = 11
answer
</span><span>m = 19</span>
Answer:
y=x
Step-by-step explanation:
When y=x, then the line goes up 1 and right 1.