1.	Find the sum of 8.77 + (-4.501).
		A.	13.271	B.	13.28
		C.	3.576	D.	4.269
		Hint
	2.	Solve f = 3.762 - 5.225.
		A.	-8.987	B.	1.463
		C.	8.987	D.	-1.463
		Hint
	3.	Evaluate 2.7 + a - b if a = 13.01 and b = 24.002.
		A.	-8.292	B.	-8
		C.	-8.22	D.	-8.31
		Hint
	4.	Find w for w = y - (x + z) if x = 157.23, y = 118.052, and z = 148.16.
		A.	423.442	B.	-108.982
		C.	-187.338	D.	108.9822
		Hint
	5.	Simplify the expression 12.17m + 26.004m - 17.8m + 19.02m.
		A.	21.591m	B.	74.994m
		C.	57.194m	D.	39.394m
		Hint