The tax on a $30 item is $1.20. How do I find the tax on a $130 item?

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy. how much will she pay after the discount

Choose the right classification of 5x + 3x^4 - 7x^3 + 10 by number terms and he degree 1. third degree polynomial 2. fourth degree polynomial 3. sixth degree polynomial 4. first degree binomial