A power company calculates a person's monthly bill from the number of kilowatt-hours (kWh), x, used. The function b(z) = { 0.15.2, x < 200 0.10 (x - 200) + 30, 2 > 200 determines the bill. How much is the bill for a person who uses 300 kWh in a month? A. $40
B. $45
C. $60
D. $55

Rai compares two cable plans from different companies. which equation gives the correct value of mm, the number of months for which plans a and b cost the same?

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms