Find the common difference for the arithmetic sequence.8, 13, 18, 23, . . .
A. 15
B. 8
C. 3.75
D. 5
Answer: D
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The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her $200 to drive 300 mi and in July it cost her $350 to drive 600 mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model.
Select the correct answer. a. C = –50d+0.5 b. C = 50d – 0.5 c. C = 0.5d + 50 d. C = 2d + 50 e. C = 0.5d – 50
Solve the problem involving related quantities.The three most prominent buildings in a city, Washington Center, Lincoln Galleria, and Jefferson Square Tower, have a total height of 1800 feet. Find the height of each building if Jefferson Square Tower is three times as tall as Lincoln Galleria and Washington Center is 200 feet taller than Lincoln Galleria.
A. Washington Center: 690 ft Lincoln Galleria: 230 ft Jefferson Square Tower: 880 ft B. Washington Center: 520 ft Lincoln Galleria: 320 ft Jefferson Square Tower: 960 ft C. Washington Center: 600 ft Lincoln Galleria: 200 ft Jefferson Square Tower: 1000 ft D. Washington Center: 400 ft Lincoln Galleria: 200 ft Jefferson Square Tower: 1200 ft
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.(3-2 ? 7-4)-3
A. 36 ? 76
B. 36 ? 712
C. 
D. 