What is the surface area of a cylinder with base radius 3 and height 8? Either enter an exact answer in terms of r or use 3.14 for it and enter your answer as a decimal.

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Sal is making bracelets for a fundraiser. he uses 6 inches of yarn per bracelet . how many bracelets can sal make with 5 feet of yarn