Select all operations under which the polynomials 4x + 5 and 2x - 3 are not closed.

A. subtraction

B. multiplication

C. addition

D. division

How do you get 25% of what number is 21

The probability that is based on performing trials is considered what kind of probability?

She cut a piece that 5 centimeters wide and had an arecentimeters wide and an area of 20 cm2. how long was the piece?

Lisa has a home-based business making and selling scented soaps. She intially spent $72 to purchase soap-making equipment, and the materials for each pound of soap cost $7. Lisa sells the soap for $10 per pound.

Keep in mind: This is a study of the binomial theorem. The question is; Without actually writing the formula, explain how to expand (x + 3) 7 using the binomial theorem.

Round 672,726 to nearest hundred thousand

Which of the following is defined by a line divides two sides of a triangle proportionally, then it is parallel to the third? O A. Converse of the Triangle Proportionality Theorem O B. Triangle Midsegment Theorem O C.

Christian needs to build a landing ramp for a bike jump. He needs it to have a base of five feet and it must be at least three feet high. What measurement will he have for the remaining side?

Solve for w. 12 (3w+8) = 25

What two numbers multiply to 108 and add to - 39?