Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.5 + (-10)

A. 5
B. -5
C. 15
D. -15


Answer: B

Mathematics

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Solve the problem.Jill is 14 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 2 kilometers per hour. They meet in 4 hours. How fast is Joe walking?

A. 1.5 kilometers per hour B. 2 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour

Mathematics

Find the quotient q and a remainder r when a is divided by b, and write the result in the form a = bq + r of the division algorithm for the given choices of a and b.a = 208, b = 6

A. 208 = (6)(34) B. 208 = (6)(34) + 4 C. 208 = (6)(38) D. 208 = (6)(34) + 5

Mathematics

Use a calculator to find the value of y in degrees rounded to two decimal places.y = sin-1 (-0.2171)

A. 12.54° B. 12.25° C. 102.54° D. -12.54°

Mathematics

Solve the problem.The sales for a gaming console for various years are listed in the table below. Let f(t) represent the sales (in billions of dollars) at t years since 2008. A reasonable model is  According to the model, when were sales at a minimum? What were the sales in that year?

A. 2014; $180 million B. 2013; $166 million C. 2013; $172 million D. 2015; $170 million

Mathematics