Simplify 2.1+(-3.7h)+1.9h-1.4

The radius of the base of a cylinder is 10 centimeters, and its height is 20 centimeters. a cone is used to fill the cylinder with water. the radius of the cone's base is 5 centimeters, and its height is 10 centimeters.

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122