Combine and simplify the x^2 terms the expression
9x^2 - 14x + 20x^2

How is working backward similar to solving an equation?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers