Robert's bicycle tires are 20 inches in diameter. What is the
circumference of a 20-inch circle?

Give all possible names for each angle shown.calculation tip: in angle abc, b is the vertex.

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.