Solve the problem.The temperature on the surface of the planet Krypton in degrees Celsius satisfies the inequality  ? 60. What range of temperatures corresponds to this inequality? (Use interval notation.)

A. [-128, -8]
B. [-8, 128]
C. [8, 128]
D. [-128, 8]


Answer: A

Mathematics

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Solve the problem. A reasonable quadratic model for the population of a certain city is found to be    where P(t) is the population (in thousands) of the city in the year that is t years since 2012. A reasonable quadratic model for the consumption of bottled water in the city is  , where B(t) is the total amount of bottled water (in thousands of gallons) consumed by the residents of the city in the year that is t years since 2012. Let M(t) be the annual mean consumption of bottled water per person in the year that is t years since 2012. If M(t) is obtained by

finding the ratio , what are the units of M?

A. people per gallon
B. gallons per thousand people
C. gallons per person
D. thousands of gallons per person

Mathematics

Simplify.(6 - 1)2 ÷ 4 + 6.8 × 0.6

A. 9.65 B. 11.01 C. 10.33 D. 9.31

Mathematics

Write the fraction as a decimal.

A. 0.09 B. 0.00009 C. 0.9 D. 0.009

Mathematics

Solve the problem.If a garage charges $23 for an oil change, how much will it take in if oil is changed on 37 cars?

A. $60 B. $61 C. $851 D. $852

Mathematics