1.	6 + 2 × 7 - 4 = _________
		A.	24	B.	52
		C.	12	D.	16
		Hint
	2.	Insert parentheses to make the equation 9 + 6 × 2 ÷ 3 - 1 = 12 true.
		A.	(9 + 6 × 2) ÷ 3 - 1 = 12
		B.	9 + 6 × 2 ÷ (3 - 1) = 12
		C.	(9 + 6) × 2 ÷ 3 - 1 = 12
		D.	9 + (6 × 2) ÷ 3 - 1 = 12
		Hint
	3.	Which operation should be performed first in the expression 4 + 8 ÷ 2 × 3 - 10?
		A.	addition	B.	multiplication
		C.	subtraction	D.	division
		Hint
	4.	Simplify
		A.	27	B.	36
		C.	3	D.	12
		Hint
	5.	Jenna charges $10 for the first two hours of babysitting, and $3 for every additional hour. How much does Jenna charge for four hours of babysitting?
		A.	$16	B.	$12
		C.	$40	D.	$13
		Hint