Prove that for any arithmetic sequence a7+a10=a8+a9

Write the phrase as an expression. Than evaluate when x=5. 6 more than the product of 8 and a number x.

Find three consecutive even integers such that the sum of the least integer and the middle integer is 2424 more than the greatest integer.

Richard ate g out of 12 gumdrops. Write an expression that shows how many gumdrops Richard has left. Type an asterisk (*) if you want to use a multiplication sign and a slash (/) if you want to use a division sign.

The school carnival is divided into sections. The dunk tanks are in 1/10 of the carnival. Games are in 4/10 of the carnival. Student exhibits are in 5/10 of the carnival. What fraction of the carnival is dunk tanks and games?

Can you solve this, a+a+a=12

Which expression is equivalent to cos120°? ° cos240° cos300° cos420°?

Determinathe value of y, if x is - 4. Y = 12/x + 10

If my input is - 1 and my output is - 5 what is the equation

Is 2 tens 3 tenths 1 thousandth greater, less, or equal to 20.31

How to find the difference of - 4/5 - 3/5