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Mathematics 8 Online
OpenStudy (anonymous):

Simplify by distributing. -2(3a + 4).

OpenStudy (anonymous):

-6a - 4.

OpenStudy (anonymous):

. Evaluate 4ab if a = -1 and b = 3.

OpenStudy (anonymous):

(4) (-1) (3) -12.

OpenStudy (anonymous):

Eric knew his trip to Lawrenceburg was 548 miles. If he drove for 8.9 hours, what mph did he average on his trip? You may use the formula d = rt. Round your answer to the nearest whole number

OpenStudy (anonymous):

548 = 8.9r r = 61.57 answer: 62 mph.

OpenStudy (anonymous):

Murray's stocks changed these amounts over these months: -8.23 in September, -5.67 in October, 4.8 in November, and -2 in December. What is the average change over that time period?

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