Solve the problem.A wheel with a 20-inch radius is marked at two points on the rim. The distance between the marks along the wheel is found to be 11 inches. What is the angle (to the nearest tenth of a degree) between the radii to the two marks?
A. 29.5°
B. 31.5°
C. 27.5°
D. 33.5°
Answer: B
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Find the domain and range of the inverse of the given function.f(x) = (6x - 9)3
A. Domain: [6, ?); range: [0, ?) B. Domain: [0, ?); range: all real numbers C. Domain: [9, ?); range: [0, ?) D. Domain and range: all real numbers
Fill in the blank with either =, <, or > to make the statement true.
A. < B. > C. =
Solve the problem.In a chemistry class, 9 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 4.5 L B. 3.5 L C. 9 L D. 5.5 L
List the critical values of the related function. Then solve the inequality.
+ 
? 
A. No critical values; ? B. -4, -3, 0, 3; (-4, -3) ? [0, 3) C. -4, -3, 0, 3; (-?, -4) ? (-3, 0] ? (3, ?) D. -4, -3, 3; (-?, -4) ? (-3, 3)