Solve the problem.The amount of tin A (in square inches) needed to make a tin can with radius r inches and volume 25 cubic inches can be found by the function 
Find the difference quotient when r = 2.6 in. and 
Use 3.14 for ?. Interpret the result.
A. At r = 2.6 in., A is decreasing at 26.2 in.2 per 1 in. increase in r.
B. At r = 2.6 in., A is increasing at 262 in.2 per 1 in. increase in r.
C. At r = 2.6 in., A is decreasing at 262 in.2 per 1 in. increase in r.
D. At r = 2.6 in., A is increasing at 26.2 in.2 per 1 in. increase in r.
Answer: D
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Find the absolute value.|-69|
A. 0
B. 
C. -69
D. 69
If s denotes the length of the arc of a circle of radius r subtended by a central angle ?, find the missing quantity.r = 17.29 centimeters, ? = 5.8 radians, s = ?
A. 101.3 cm B. 102.3 cm C. 100.3 cm D. 99.3 cm
Use the bar graph to answer the question.The bar graph illustrates the number of minutes of cell phone usage during selected months. How many minutes were used during the month of February?
A. 31 B. 14 C. 35 D. 21
Add. Simplify, if possible.-5
+ 
A. -5
B. -17
C. -18
D. -19