Solve the problem.A gear with a radius of 32 centimeters is turning at 
radians per sec. What is the linear speed at a point on the outer edge of the gear?
A. 352? centimeters per second
B. 
centimeters per second
C. 
centimeters per second
D. 
centimeters per second
Answer: B
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Solve the problem.The number of milligrams of a certain compound, C, produced in a chemical reaction with temperature at x, in degrees Celsius, can be modeled by the formula C = 0.013x2 - 1.19x + 28.24.According to the formula, at what temperatures is the chemical reaction expected to produce 8 milligrams of the compound? Use a calculator and round answers to the nearest milligram.
A. 68 ° C and 24 ° C B. 70 ° C and 22 ° C C. 68 ° C and 22 ° C D. 69 ° C and 23 ° C
Simplify the expression using the order of operations.17 - (-7)2
A. 31 B. 32 C. 66 D. -32
Simplify.
x + 
+ 
x + 
A. 
x + 
B. 
x + 
C. - 
x + 
D. 
x + 
Find the sum, if it exists.
A. 69 B. -2460 C. -732 D. Does not exist