Simplify by adding like terms:

-4+7x-3x-5+2x-4x

How do u find the mean of a question

Marcus purchases 75 shares of stock. A year after purchasing the stocks, the value of the stock is $2 less per share. Write a multiplication expression to determine the change in Marcus's investment.

The weight of a nickel is 5 g. how many mg does a nickel weigh?

You need to haul a load of patio bricks to a job site. each brick weighs 4 pounds 14 ounces. your truck can carry a 3/4-ton load. how many bricks can your truck carry in a full load?

Suppose you want to know whether the eighth-grade music students at a school spend more time practicing their instruments or playing computer games. Explain how you would get a representative sample from the population.

The piecewise function h (x) is shown on the graph. On a coordinate plane, a piecewise function has 2 lines. The first line has a closed circle at (negative 4, 3) and goes down to a closed circle at (2, 0).

What's the circumference of a circle

Solve for x. - 18 = - 2/3 x

What are the step by steps tosolving math problem 5.8x+6.03=31.27

Ms. Beal has begun covering a floor with 1-foot square tiles. What is the area of the floor in square feet?