Write a verbal expression for 2n+7

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42