Solve the problem.Tom Quig traveled 260 miles east of St. Louis. For most of the trip he averaged 60 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. 75 miles
B. 90 miles
C. 80 miles
D. 100 miles
Answer: C
Mathematics
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Combine like terms, if possible.7w - 8w + 9w2 + 2w
A. 9w2 + w B. 10w C. 9w2 - w D. 8w
Mathematics
Perform the indicated operation.A factor used in measuring the loudness sensed by the human ear is 
0.3, where I is the intensity of the sound and I0 is a reference intensity. Evaluate this factor for I = 3.3 × 10-6 W/m2 and I0 = 1.0 × 10-12 W/m2 to two significant digits.
A. 0.011 B. 0.023 C. 44 D. 90
Mathematics
Add or subtract. Simplify the answer.
- 
A. - 
B. 
C. - 
D. 
Mathematics
Provide an appropriate response.Why does a linear function always have an inverse?
What will be an ideal response?
Mathematics