Simplify the following expression by combining like terms.

2x + 7x2 - 6x + 9x2

2x + 7x2 - 6x + 9x2 =

(Type la simplified expression.)

Enter your answer in the answer box and then click Check Answer.

A woman bought some large frames for $15 each and some small frames $5 each at a close out sale. If she bought 23 frames for $195, find how many of each type she bought

125 feet in 5 seconds what is the answer

Rahms spent two and a half hours writing an essay it took him 4 times as long to finish his science project how long did it take rahm to write the essay and finish the science project

19m=2 and g=3, what is 3 (m+3g) - (2m)

In the formula that gives the circumference of a circle, which quantity is multiplied by 2Ï€? A. Diameter B. Radius C. Area D. Circumference

How to find volume Of triangular prisms

Sin (3pi/4) what is it

What is a situation that can be represented by 10.75x.

Derek receives $150,000 salary as an engineer for the port authority. He spends $105,000 of his salary on expenses each year. What percent of his salary does he spend on expenses?

Determine whether the underlined value is a parameter or a statistic. A study of 6076 adults in public rest rooms found that 23% did not wash their hands before exiting. Is the value a parameter or a statistic? A.