Which expression represents the sum of 8 and twice a number

T=-2a^2+a+6 N=-3a^2+2a-5 N-T polynomial in standard form

If m+2m+5=14, then m=

A store has a sale on books. The price is $17.55 for one book, $16.70 each for 2 books, $15.85 each for 3 books, and $15 each for 4 books. If this pattern continues, how much per book will it cost to buy 7 books

What's the LCM OF 90 show your work

Write 10 to the power of 3 as a reapeated multiplication factor

Amanda's computer weighs 56 ounces. how many pounds does it weigh?

Change 5 ft. to yards

The admission to the fair is $5 and the cost per ride is 50 cents. If his parents give hime $20, write and solve a linear equation to find how many rides he can go on.

8 1/4 pounds of carrots to make 6 carrot cakes. how many pounds of carrots does frank need to make one carrot cake.

If a question asks you to find f (2), what does that mean?