The family are installing 3 extra water tanks determine how many liters of anti rust paint is required to paint the outside of the tank if each liter of paint covers 15 square meters S. a (cylinder)=2pir^2 + 2pirh

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2