Sam can mow a lawn in 40 minutes. Melissa can mow the same lawn in 60 minutes. How long does it take for both Sam and Melissa to mow the lawn if they are working together? Express your answer as a reduced fraction.

A polynomial p (x) has a remainder of 4 when divided by (x+1) and a remainder of 7 when divided by (x-2) what will be the remainder when divided by (x+1) (x-2)

Demarco paid $3.19 per gallon both times that he stopped for gas on a weekend trip. He bought 12.53 gallons of gas the first time and 11.86 gallons the second time. Which expression shows the total cost in dollars of the gas he bought on this trip?

4x-5 (x-2) = 12x+4-x ?

If you spin 100 times, how much would you expect to have after 100 spins?

One coastal cholla cactus can house the nest of the cactus wren containing two adults and up to five young. Six cholla cacti are counted in a study area. What is the maximum number of wrens that could nest in the area?

Suppose that a company has just purchased a new computer for $3200 The company chooses to depreciate using the straight-line method for 4 years. a) write a linear function that expresses the book value of the computer as the function of its age.

A white-tailed deer can sprint at speeds up to 30 miles per hour. American bison can run at speeds up to 3,520 feet per minute. Which animal is faster and by how many miles per hour? There are 5,280 feet in one mile

What is the order of transformations you would use to solve this equation. 4x - 17 = - 45 A. Subtract 17 from both sides Divide both sides by 4 B. Add 17 to both sides Divide both sides by 4 C. Add 17 to both sides .

What is 11/14 minus 3/8 =

Alistar has an annual income of $25,000 he decides to take classes on line at night so that he can continue to work. after 3 years he gets his degree and immediately starts earning $32,000 per year.