AP BIOLOGY

Detailed explanation-1: -To evaluate an algebraic expression means to find the value of the expression when the variable is replaced by a given number. To evaluate an expression, we substitute the given number for the variable in the expression and then simplify the expression using the order of operations.

Detailed explanation-2: -To calculate the value of. Example: Evaluate the cost of each pie when 3 pies cost $6. Answer: $2 each.

Detailed explanation-3: -To get the answer, solve the equation for the variable. Then plug that variable value into the expression and simplify to get the answer. Follow this same process anytime you need to use an equation to evaluate an expression.