Simplify the expression using the order of operations.
A. 4
B. 10
C. 25
D. 7
Answer: D
Mathematics
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Use reduction formulas to evaluate the integral.
A. - 
csc2 
cot 
- 
cot 
+ C
B. - 
csc2 
cot 
- 
csc 
+ C
C. - 
csc2 
cot 
- 
cot 
+ C
D. - 
csc3 
cot 
+ 
cot 
+ C
Mathematics
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.a1 = 4, d = 0.8
A. an = 4n - 3.2; a20 = 76.8 B. an = 0.8n + 4; a20 = 20 C. an = 0.8n + 3.2; a20 = 19.2 D. an = 4n + 0.8; a20 = 80.8
Mathematics
Solve.What is 5% of 4200?
A. 210 B. 2100 C. 3100 D. 310
Mathematics
Let 
.
?
Find the derivative 
of 
and the point on the graph of 
where the tangent line to the curve is horizontal.
?
A. 
B. 
C. ?
D. ?
Mathematics