Indicate whether the variable is qualitative or quantitative.The number of calls received at a company's help desk
A. quantitative
B. qualitative
Answer: A
Mathematics
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Find the exact value of the expression.sin
A. 
B. 
C. 
D. 
Mathematics
Use the formula s = r?t to find the value of the missing variable. Give an exact answer.r = 2 cm, ? = 
radian per sec, t = 16 sec
A. 
cm
B. 
cm
C. 
cm
D. 
cm
Mathematics
Solve the problem.The range r of a projectile is given by 
where v is the initial velocity and ? is the angle of elevation. If r is to be 
and 
what must the angle of elevation be? Give your answer in degrees to the nearest hundredth.
A. 89.67° B. 0.33° C. 0.66° D. 0.46°
Mathematics
Evaluate the factorial expression.
A. 1680 B. 70 C. 140 D. 35
Mathematics