What are the coordinates of D’ when the quadrilateral is reflected across the line ?

(1, 3)
(2, 4)
(3, 4)
(1, 1)

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

Strawberries cause two hours per pound kate buys 5 pounds he gets 20% off discount on the total cost how much does kate pay for the strawberries

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5