What is the sum of $5.50, $13, and $6.50? O A. $12.13
B. $13.30
C. $24
D. $24.50
E. $25

What are “like terms”? why can we only add like terms?

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

Interpret the following expression (5y^2-7)^3/(2y)^2