Which data set has the widest spread?
data set a: 1, 1, 2, 1, 2, 1
data set b: 2, 2, 4, 4, 3, 3
data set c: 1, 1, 2, 2, 1, 5
data set d: 3, 5, 5, 5, 5, 4

Acircular hot tub located near the middle of a rectangular patio has a diameter of 48 inches. the patio measures 11 feet by 6 feet. what is the area of the patio that is not covered by the hot tub?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?