Provide an appropriate response.If r > 0, 0 ? ? < 2?, and r cis ? has real part equal to 0, then what must ? be?
A. ?
B. 
C. 0
D. 
Answer: B
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The rate of growth G, in pounds per year, of a certain animal depends on the weight w, in pounds, of the animal. The relationship is
.
A: Make a graph of G versus w. Include weights up to 40 pounds.B: At what weight is the animal growing at the fastest rate? Round your answer to two decimal places, if necessary.C: What is the maximum growth rate? Round your answer to two decimal places, if necessary.
What will be an ideal response?
Simplify the expression by using a sum or difference identity.cos 10° cos 35° - sin 10° sin 35°
A. 
B. 
C. 
D. 
Perform the indicated operation.-5 + (-10)
A. 5 B. -15 C. 15 D. -5
The last time that this test was given to a previous class, the grades were:
50, 62, 65, 100, 94, 74, 88, 80, 74, 80, 65, 84, 80, 74, 62, 94, 100, 74, 90, 84. Construct a frequency distribution chart for the above scores.