What is the circumference of a circle that has a radius of 20 inches

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Select the lengths in centimeters that would form a right triangle

How can (square root of 25) ^2 be rewritten?