Convert. Round to the nearest tenth.The gas tank held 90 liters. How many gallons is this?
A. 21.2 gal.
B. 95.4 gal.
C. 40.5 gal.
D. 23.8 gal.
Answer: D
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Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(3x + 5)3
A. 9x6 + 15x3 + 15,625 B. 27x3 + 135x2 + 225x + 125 C. 27x3 + 135x2 + 135x + 125 D. 9x2 + 30x + 25
Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 53 coins in all, valued at $4.25. The number of nickels is 3 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 6 dimes B. 13 dimes C. 39 dimes D. 8 dimes
Determine whether the relation represents a function. If it is a function, state the domain and range.{(-2, -7), (0, 5), (5, 0), (6, -1)}
A. function domain: {-7, 5, 0, -1} range: {-2, 0, 5, 6} B. function domain: {-2, 0, 5, 6} range: {-7, 5, 0, -1} C. not a function
Solve.In 1970, the population of a particular city is 724,000. In 1980, the population of the city is 598,700. Assume the population is decreasing according to the exponential-decay model. When will the population of the city be 100,000?
A. 2084 B. 2074 C. 2069 D. 2079