Tom works as a landscaper and charges $60 to plant vegetables in a garden. he than charges $15 per trip to maintain the garden. in the expression 60 + 15x, what is the term used to describe 15? A. coefficient
B. product
C. quotient
D. sum

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Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.