What is the surface area of a sphere with a diameter of 8 mm?

Use 3.14 for π.

Sarah and noah work at read on bookstore and get paid the same hourly wage.

What is the value of x? x + 5/8 = 6 Enter your answer in the box in simplest form.

Solving one-step Equations n + (-28) = 0

Darragh has a Golden Eagle coin in his collection with a mass of 13.551. An uncirculated Golden Eagle coin has a mass of 13.714g.

Lamar purchased n notebooks. They were 5 dollars each. Write an equation to represent the total cost c that Lamar paid.

Find the volume of a right circular cone that has a height of 9.5 m and a base with a circumference of 10 m. Round your answer to the nearest tenth of a cubic meter.

Function notation (2)

Is (2, 5) a solution to this system of equations? x + 2y = 12 2x + 2y = 14 yes or no

Given the system of linear equations. Choose all of the options that could be used to solve the system using addition x + y = 7 2x + y= Multiply the first equation by - 1 and add the equations together.

A father is 60 years old and his son is half his age. how old was the boy when his father was four times his age?