Simplify (4x - 6) + (3x + 6) out of these what one is right?

7x

7x - 12

x

7x + 12

Object A gas a mass of 20kg, object B has a mass of 30kg. They both have the same volume of 2cm cubed. What is the density of each object, and which one is larger

A student is asked to calculate the volume, in milliliters, of 2 cups of oil. there are 225mL per cup. the student calculates the volume as follows: volume=2cups x 1cup/25mL = 8 cups list three errors the student made

Given the function f (x) = - 0.5|2x + 2| + 1, for what values of x is f (x) = 6? x = 6, x = - 5 x = 5, x = - 5 x = 7, x = - 6 no solution

A) Compare the Companies. Answer each of the following. • Which company has the lowest deductible (money you must pay on bills before the insurance will pay) ? • Which company has the best Office Visit quote?

the tempature of a freezer started at "18c."After a few hours of cooling, the freezer had a tempature if - 12c. what is the difference between the new, cooler temperature and the original tempature

If the mean of the data set shown below is 11, find x. x, 12, 8, 15

Blueberries cost less than cantaloupe said the company charge more or less for the new Salad explain your reasoning

The Sum of 9/26 and - 4/13 is A. - 1 B. 5/13 C. 1/26 D.-17/26

Solve for a. a + (-7) = - 17 What is the answer

Mario collected 3g seashells. Jasmine collected 10 more seashells than Mario. Write the number of seashells they collected together in terms of g.