Answer:
3rd
Step-by-step explanation:
21 cars, 32 motorcycles.create a system of equations using x for cars and y for motorcycles.

multiply the top equation by 2 to prepare for elimination method

subtract terms

divide both sides by negative 2 to solve for x
x =21
plug in x into original equation to solve for y.
21 + y = 53
subtract both sides by 21
y=32
Answer: GH = HJ = 4.6
Step-by-step explanation:
Exact Form:
−1/2, b = 1
-12,b=1
Decimal Form:
−0.5,b=1
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