The perimeter of rectangular garden is 94 m. The length is 13 m more than the width. Find the length and the width.

Which graph represents the linear function below? y-3=1/2(x+2)

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! )

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?