How to draw three different lines with slope triangles on graph paper using slopes 1, 1/3, and -3/4

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

Can someone me i’m confused. will give brainliest and a whole bunch of points

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.