Multiply.-3(10)

A. -27
B. -40
C. -30
D. 27


Answer: C

Mathematics

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Solve the problem.Use Newton's Law of Cooling to find the temperature in the following case. A loaf of bread is removed from an oven at  and cooled in a room whose temperature is . If the bread cools to  in 20 minutes, how much longer will it take the bread to cool to 

A. ? 16 minutes B. ? 23 minutes C. ? 3 minutes D. ? 4 minutes

Mathematics

Solve the inequality and write the solution set using interval notation; then graph the solution set on a number line. v2 - 9v + 18 ? 0

A. [6, ?)

B. (-?, 3]

C. (-?, 3] ? [6, ?)

D. [3, 6]

Mathematics

Write an equation of the line through the given point with the given slope. Write the equation in slope-intercept form.(-7, 10); m = 0

A. x = -7
B. y = x + 0
C. y = 10
D. y = x + 0

Mathematics

Solve the equation. Give an exact solution.3x + 8 = 2

A.
B.
C. {log 2 - log 3 - log 8}
D.

Mathematics