Randy is deciding which cell phone plan is the best deal for him to buy. Super Cell charges a monthly fee of $15 and also charges $0.05 per call. Which equation represents the cost of service at Super Cell? (Use M as the monthly charge, in dollars, and C as the number of calls placed.)

A
M = .05 + 15C

B
M = .05C + 15

C
M = .05 + C + 15

D
M = .05C x 15

What is the value of x? enter your answer in the box. (cm)

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?