Which of the following is a monomial?

A. 2x-1

B. 3x+4

C. 4

D. 3X2+2X-1

What is the change in y called in slope

Express each ratio as a fraction in simplest form. Hint: 1 yard = 3 feet. 9 yards to 48 feet

A first grade class of nine girls and seven boys walks into class in alphabetical order (by last name). What is the probability that three girls are the first to enter the room?

If x and y are intergers and x less than y, how do the opposite of x and the opposite of y compare?

To which real number subsets do the following real numbers belong? 0, 3, 7, 11, 15, 18 A. irrational numbers and whole numbers B. integers and rational numbers C. natural numbers and irrational numbers D. integers and irrational numbers

What's the square rute of 0.81

The sun's rays are striking the ground at a 55° angle, and the length of the shadow of a tree is 56 feet. How tall is the tree? select one: a. 80.0 feet b. 45.9 feet (Incorrect) c. 34.2 feet (incorrect) d. 32.1 feet

Mass: 21 g volume:7cm3 density.

You roll a standard number cube Find p (number greater than 1)

Julius went on a volunteer trip to Central America and took medical supplies with him. He packed a bag with 50 pounds of supplies.