Which equation gives the value of the circumference, c, of a circle with a diameter of 48 feet?
a. c=π·482c=π·482b. c=48·πc=48·πc. c=48πc=48πd. c=24·πsomeone

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|