Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. - 
B. 
C. 
D. - 
Answer: D
Mathematics
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Find the average value of 
over the given region.
z2 over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 
B. 
C. 
D. 
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec 
A. 
B. 2
C. - 
D. -2
Mathematics
Solve for x.
x - 
x = 2
A. x = -60 B. x = 60 C. x = 30 D. x = -30
Mathematics
Find all solutions of the equation in the interval [0, 2?).tan 
= 
A. 
B. 
C. 
D. 
Mathematics