The altitude of a triangle is increasing at a rate of 2 centimeters/ minute while the area of the triangle is increasing at a rate of 1 square centimeters/ minute. At what rate is the base of the triangle changing when the altitude is 8 centimeters and the area is 98 square centimeters? cm/min A spherical balloon currently has a radius of 18 inches. If the radius is still growing at a rate of 4 inches per second, at what rate is air being pumped into the balloon? inches3 / second Round your answer to the nearest hundredth