A. The extra amount added to the selling price to arrive at the cost price
Over this 10-minute interval, the car's average acceleration is

The MVT says that at some point during this 10-minute interval, the car must have had an acceleration of 60 mi/h^2.
Step-by-step explanation: If f(x) = 4x + 10, then f(-2) is 4(-2) + 10
which simplifies to -8 + 10 or 2.
So f(-2) = 2.
Answer:
7x-1
Step-by-step explanation:
you have to combine like terms
Answer:

Step-by-step explanation:
This triangle is a 45-45-90 triangle.
By using the image I posted, we can find x easily.
So, we have
as one of the sides.
They hypotenuse, which is x is just 
Simplify and we get x = 