Solve. Round to the nearest tenth when necessary.A flagpole casts a shadow of 37 feet, Nearby, a 9-foot tree casts a shadow of 6 feet. What is the height of the flag pole?
A. 1998 ft
B. 1.5 ft
C. 55.5 ft
D. 24.7 ft
Answer: C
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Solve the absolute-value inequality.
- 4 > 12
A. {b
b < -10 or b > 14}, or (-?, -10) ? (14, ?)
B. {b
b < -14 or b > 18}, or (-?, -14) ? (18, ?)
C. {b
-14 < b < 18}, or (-14, 18)
D. {b
b < -14 or b > 10}, or (-?, -14) ? (10, ?)
Calculate the arc length of the indicated portion of the curve r(t).r(t) = (7 - 9t)i + (4 + 2t)j + (6t - 2)k, -2 ? t ? 10
A. 88 B. 132 C. 968 D. 1452
Find the slope of the line.
A. - 2
B. 2
C. - 
D. 
Solve the problem. Round to the nearest cent.On September 1, the unpaid balance in an account was $155. On September 7, a payment of $60 was made. The finance charge rate was 1.6% per month of the average daily balance. Find the finance charge for the month of September.
A. $4.00 B. $1.52 C. $1.71 D. $1.74