11) What is the solution to the equation 10 = 9 - z?
12) What is the term for a group of related numbers or variables?
13) Which of the following is an example of an expression?
14) What is the term for when you solve an equation to find a value?
15) What are the four basic operations of algebra?
16) What is the term for a statement that two expressions are equal?
17) What does the letter "x" usually represent in algebra?
18) What is the term for a monomial that is not a sum or difference of two other monomials?
19) What is the most common type of variable in algebra?
20) How do you solve for an unknown value based on two equations?