Evaluate. 102 ÷ 25 • 20 + 4 ÷ 2 – 14 (2 in 102 is an exponent)evaluate.  5 • [(14 + 3 • 30) + 120] + 103 – 10(3 in 103 is the exponent

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?