Suppose instead, you didn't invest anything for the first 7 years, then deposited $190 a month for 30 years into an account earning 9% compounded monthly. How much will you have in the end?

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction