What is the slope of a line that passes through the points (-20, -4) and (-12, -10)?

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?