15 POINTS!

What is the domain of y = tan x?

A. (–∞, ∞)

B. (0,pi)

C. all x cannot equal pi/2+pi*n

D. all x cannot equal n*pi

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet