Graph the system of inequalities.
- 
? 1x2 + y2 ? 36
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate the line integral.
; C is the curve x = 3t, y = (5 cos 
t), z = (5 sin 
t), 0 ? t ? 
?
A. 
?2 + 
B. 
+ 
C. 
?2 + 25
D. 
?
Mathematics
Find all real numbers in the interval [0, 2?) that satisfy the equation. 2 cos2 x - 1 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the zero of the linear function.f(z) = - 
z - 5
A. 1 B. -1 C. -20 D. 20
Mathematics
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Between 17 and 17.9 seconds
A. 2% B. 16% C. .5% D. 13.5%
Mathematics