1.	Simplify 3 + 2(xy+ 3z) + 4xy.
		A.	6xy + 3z + 3	B.	6xy + 6z + 3
		C.	5xy + 3z + 3	D.	9xy + 15z
		Hint
	2.	Evaluate 2 × 17 × 5.
		A.	180	B.	190
		C.	170	D.	160
		Hint
	3.	Simplify 7(b + 3) + 14.
		A.	7b + 35	B.	7b + 17
		C.	42b	D.	24b
		Hint
	4.	Evaluate 0.75 + 2.2 + 0.25 + 0.8.
		A.	4	B.	6
		C.	5	D.	3
		Hint
	5.	Write a simplified expression to represent 5 times the sum of x and 3 increased by 10.
		A.	18x	B.	5x + 25
		C.	5x + 13	D.	35x
		Hint