Aping-pong ball has a diameter of 40 millimeters. which value is closet to the surface area of the ping-pong ball, in square millimeters?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Write an expression that represent sarah’s total pay last week. represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?