Find the product using FOIL.(3 + 
)(5 + 
)
A. 23 + 
B. 18
C. 18 + 8
D. 21 + 8
Answer: C
Mathematics
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Find the average value of the function over the given interval.f(x) = 
on [-2, 2]
A. 1
B. 4
C. 
D. 2
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Use half-angle identities to find the exact value of the expression.sin 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.
A. 
B. 
C. 
D. x4
Mathematics
Solve the system by the method of substitution.
?
?
?
A. 
B. (1, 3)
C. 
D. 
E. (-1, 3)
Mathematics