Solve.0.05(400 + x) - 0.07x = 0.035(400)
A. {310}
B. {290}
C. {300}
D. {150}
Answer: C
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Solve the problem.If a boat uses 15 gallons of gas to go 68 miles, how many miles can the boat travel on 60 gallons of gas?
A. 17 miles B. 272 miles C. 544 miles D. 292 miles
Solve the problem.A heat engine is a device that converts thermal energy into other forms. The thermal efficiency, e, of a heat engine is defined by 
where Qh is the heat absorbed in one cycle and Qc, the heat released into a reservoir in one cycle, is a constant. Find 
.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.A = 65°, a = 4, b = 6
A. one triangle; B = 34°, C = 81°, c = 14 B. one triangle; B = 32°, C = 83°, c = 12 C. no triangle D. one triangle; A = 33°, C = 82°, c = 10
Find the distance between the pair of points. Express your answer in simplest radical form.(4, 2) and (7, 3)
A. 2
units
B. 
units
C. 10 units
D. 8 units