The following are examples of different types of variables. Which are discrete
variables?
Check all that apply.

A. Weight of an elephant
B. Number of votes for a candidate

C. Speed of a race car

D. Temperature of a hot pizza
E. Telephone number

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did