Aroad crew had to pave 3/4 mile of road in one day. by lunchtime they had completed 5/8 of this distance. how much had the crew paved by lunchtime?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

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! )