Keyanna saved $75 this summer by babysitting. after school, she makes $10 a week babysitting.

a) write an equation for the amount, a, of money that she will have after w weeks.
b) how much will she have after 5 weeks?
c) how many weeks until she has $255?

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

F(x)= 4x g(x) =x-1 what is f(x) divided by g(x)

Factor the expression using gcf 9b+45