Solve the problem.Tom Quig traveled 290 miles east of St. Louis. For most of the trip he averaged 70 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of travel was 7 hours, how many miles did he drive at the reduced speed?
A. 80 mi
B. 100 mi
C. 75 mi
D. 90 mi
Answer: A
Mathematics
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Express the number in scientific notation.724,000,000,000,000,000
A. 724 × 1015 B. 724 × 10-15 C. 7.24 × 10-17 D. 7.24 × 1017
Mathematics
Solve the problem.A survey of 260 families showed that 99 had a dog; 76 had a cat; 34 had a dog and a cat; 98 had neither a cat nor a dog nor a parakeet; 8 had a cat, a dog, and a parakeet.How many had a parakeet only?
A. 21 B. 31 C. 36 D. 26
Mathematics
Simplify the expression.3-3 ? 34
A. 
B. -3
C. - 
D. 3
Mathematics
Answer the question.Consider the numbers 4, 
, -7, 0, 
, 
, 
. Which are real numbers but not integers?
A. 
, 0,
B. -7, 
C. 
, -7, 
D. 
Mathematics