Solve the problem.If the density of a substance is 3.14 × 10-7 tons per cubic foot, what would be the mass of 9.43 × 102 cubic feet of this substance. (Use the formula D = 
and round to the nearest hundredth, if necessary.)
A. 2.96 × 10-3 tons
B. 2.96 × 10-5 tons
C. 2.96 × 10-4 tons
D. 0.30 × 10-4 tons
Answer: C
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State the domain of the given function.y = 
A. All real numbers x ? 8 B. All real numbers x ? 8 C. All real numbers x < 8 D. All real numbers
Find the slope of the line through the pair of points.(7, -6) and (7, -1)
A. -5 B. Undefined C. 5 D. 0
Write as an addition problem and find the sum.Susan lost 5 pounds the first week, gained 3 pounds the second week, and lost 2 pounds the third week. What was her net gain or loss?
A. 5 + -3 + 2 = 10 pounds
B. 
+ 3 + -2 = 4 pounds
C. 5 + -3 + 2 = 
pounds
D. 
+ 3 + -2 = 
pounds
Solve. Remember to insert units when writing your answer.A package of trail mix contains 0.4 kg of nuts, 0.13 kg of chocolate bits, and 600 g of dried fruit. Find the total weight of the package.
A. 600.53 kg B. 60.53 kg C. 6.53 kg D. 1.13 kg