Simplify 5m - 13n - n + 4m.

9m-14n

9m-13

9m2 + 13n2 (The 2's are exponents)

-5mn

Katie borrowed $200 over the course of four months. Which expression will calculate how much she borrowed each month, (assuming she borrowed in equal increments) ?

Pizza restaurant has a hamburger pepperoni Canadian bacon and sausage how many ways can a three topping meat pizza be made

Solve the system of equations 4x+7y=47 5x-4y=-5

There are 1200 elephants in a herd. Some have pink and green stripes, some are all pink and some are all blue. One third are pure pink. Is it true that 400 elephants are definitely blue? Why?

This relationship is given by the equation, v = gt. In this equation, g is the acceleration due to gravity, t is the number of seconds, and v is the velocity of the falling object. Note that g is a constant.

The temperature is at most - 12 degree celsius

A swimming pools large drain will empty a pool in 3 hours while its smaller drain takes 6 hours. If both drains are open how long will it take to empty the pool? A: 4 1/2 hours B: 2 hours C: 9 hours D: 4 hours

A pair of jeans cost x dollars and is subject to a 7% sales tax. Using only one step which of the following expressions could be used to font the cost of the pair of jeans in dollars?

Explain in your own words why (x+y) 2=x2+y2. provide a numerical example to illustrate

Grace read 4 days this week. She read 10 minutes each day. If her teacher wants her to read it a total of 60 minutes, how many more minutes does Grace need to still read?