HELP PLS!! What is the diameter of a circle whose circumference is 16pi centimeters? 32 cm
16 cm
4 cm
8 cm

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

In the diagram of circle o, what is the measure of zabc?

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?