The length of the rectangle measures 3m+5 and the width of this rectangle measures 2m+3. if the perimeter of this rectangle is 66 inches, what would be the value for m?

Solve the triangle. a = 21°, c = 105°, c = 5

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! )

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?