Mario bought a CD with a price of $18. If he also paid 8.25% sales tax, which is closest to the amount that Mario paid for the CD with tax?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?

Plzzz answer both questions and i will give you 100 points