Use the appropriate addition formula to find the exact value of the expression.sin 
A. 
B. 
C. - 
D. 
Answer: D
Mathematics
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Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
Mathematics
Add and, if possible, simplify.
x + 
x
A. 
B. 
C. 
x
D. 
x
Mathematics
Multiply the expressions.(z - 7)2
A. z2 - 14z + 49 B. z2 + 49 C. z + 49 D. 49z2 - 14z + 49
Mathematics
Find the first term a1 and the common difference d of the arithmetic sequence.
, 
, 
, 
, . . .
A. a1 = 
, d = 
B. a1 = 
, d = 
C. a1 = 
, d = 
D. a1 = 
, d = 
Mathematics