Joe can put up a swing set in 3 hours. Andy can put up a swing set in 5 hours. How long would it take Joe and Andy to put a swing set up if they worked together?

What is the answer to 21-9f=-20 (f-6)

What is standard form for polynomials

Iodine-125 has a half-life of about 60 days. How many milligrams of a 1000mg sample will remain after 240 days?

What is the value of work done on an object when a. 10-newton force moves it 30 meters and the angle between. the force and the displacement is 25°? A. 2.7 x 10^2 joules. B. 3.0 x 10^2 joules. C. 7.5 x 10^2 joules. D. 0 joules ...

His pencil is 14cm and then he sharpened his pencil and go 10mm smaller how long is the pencil now

P=q + 5 2p + 3p = - 20 linear equations

If the mean weight of 3 outfielders on the baseball team is 194 lb and the mean weight of the 6 other players is 229 lb, what is the mean weight of the 9 -person team?

6x+3y=15 what is the ordered pair of the solution

Question: If each girl used one marshmallow per smore how many marshmallows were used in all? Show your work.

A woman plans to use one fourth of a 48 foot x 100 foot rectangular backyard to plant garden. Find the perimeter of the garden if the length is 40 feet greater than the width