Annette rode her bike 6.86.8 miles at a constant rate for 9090 minutes. to find how fast she traveled, she solved the equation 6.8=x⋅906.8=x·90. what does xx represent?

x represent the Annette's speed on the bike

Step-by-step explanation:

we know that

The speed is equal to the distance divided by the time

Let

x------> Annette's speed on the bike

In this problem we have

Find the speed

then, the surface area of the sphere shown in the image is: 256π sq. units!

step-by-step explanation:

the lateral surface area of a sphere is 2πrh where h=2r.

then:

surface area = 4πr^2.

in this case, r=8 units ⇒ surface area = 4π(8 units)^2. = 256π sq. units!

then, the surface area of the sphere shown in the image is: 256π sq. units!