Math Quiz 7B J p Castro leal

If Yosefh goes to the store and buys 2 gift cards each $4.5, How much did he pay in total?

I've got 3 cats and I sold 2 for $20 , what is the price of each one?

Which are the coefficients in this expression : 7x+2y+4-x

Which terms are in this expression :12y+9x+2+3+4+5x

What is the correct answer of this equation : 4x+2=16

Evaluate this(4y) (5y)

Evaluate this (10x) (6x)

Evaluate this (6y) (7y)

What is the correct answer of this equation : 6x-12=3

(8x) (9x)