Yo i need help please i will even give a brainliest to the person eight the correct answer

What is the slope of the line that contains the points (-2,1) and (0,-3)

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.

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! )