Maxine works at an amusement park. She recorded the number of ice cream cones sold each day, along with the high temperature in Fahrenheit degrees. Using her data, she wrote a linear regression equation of y = 9x - 487.  If the temperature, or x, is 85°F, how many ice cream cones could Maxine expect to sell?

A. 245
B. 278
C. 753
D. 765


Answer: B

Mathematics

You might also like to view...

Find all points where the function is discontinuous.

A. x = -2, x = 0 B. x = -2, x = 0, x = 2 C. x = 0, x = 2 D. x = 2

Mathematics

Round the number to the nearest thousandth, nearest hundredth, and nearest tenth. Remember to round from the original number.0.1167

A. 0.1167, 0.116, 0.11 B. 0.117, 0.12, 0.1 C. 0.117, 0.11, 0.2 D. 0.116, 0.11, 0.1

Mathematics

Solve the problem.The distribution of B.A. degrees conferred by a local college is listed below, by major.Major   FrequencyEnglish2073Mathematics2164Chemistry318Physics856Liberal Arts1358Business1676Engineering    8689313What is the probability that a randomly selected degree is not in Mathematics?

A. 0.232 B. 0.768 C. 0.682 D. 0.303

Mathematics

Find the domain of the rational expression. 

A. {x|x is a real number and x ? -9} B. {x|x is a real number and x ? 9 and x ? 0 and x ? 6 } C. {x|x is a real number and x ? -9 and x ? 0} D. {x|x is a real number and x ? 9 and x ? 0}

Mathematics