Write the mixed number as an improper fraction.4
A.
B.
C.
D.
Answer: D
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Identify the equation without completing the square.2y2 - 2x - 2y = 0
A. hyperbola B. parabola C. ellipse D. not a conic
Solve.The shadow cast by an object on a sunny day is directly proportional to the height of the object. If a person 73 inches tall casts a shadow 64 inches long, how tall is a tree which casts a shadow 48 feet in length?
A. 97.33 feet B. 68.5 feet C. 54.75 feet D. 42.08 feet
A study of driving costs of 1992 model subcompact (four-cylinder) cars found that the average cost (car payments, gas, insurance, upkeep, and depreciation), measured in cents/mile, is approximated by the function
?
?
where x denotes the number of miles (in thousands) the car is driven in a year. What happens to the average cost as the number of miles driven increases without bound?
?
A. It approaches 2,640 ¢/mi. B. It approaches 19 ¢/mi. C. It increases without bound. D. It becomes infinitely small.
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.15 ÷
A. 5
B. 6
C.
D. 35