8 miles is approximately equal to 6 km. How many km are equal to 28 miles? How many miles are equal to 42 km?

Find the width of the rectangle prism when the surface area is 208 square centimeters

A cylindrical water tank had a radius of 14.5 and its filled with approximately 4,950 cubic feet of water. Which of the following is the best estimate of the depth of the water tank?

Sum of the series with last term a7 = 234,375 and common ratio r=5

1. Twenty four straws hold approximately 120 ml of water. How many liters are equivalent to 120 ml?

Find three cases consecutive integers whose sum is 363

Length of 20 meters and width 10 meters

Find two numbers whose sum is - 39 and whose product is 10

Solve the equation p=2q+2w for q

Solve equations and justifying - 30=-6 (r+7)

Supergym is a national chain of gyms. Its employees sold 8,040 gym memberships last year. This year, they sold 50% more memberships than that. How many memberships did they sell this year?