Decide whether or not the given equation is an identity.sin2 ? - cos2 ? = 2 sin2 ? - 1
A. Yes
B. No
Answer: A
Mathematics
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A baseball club pays a vendor $100 per game for selling bags of peanuts for $4 each. Write a linear function that describes the profit the vendor makes for the baseball club during a game if the vendor sells b bags of peanuts. ?
A.
B.
C.
D.
Mathematics
Factor the polynomial.10y2 + 21y + 9
A. (2y - 3)(5y - 3) B. (2y + 3)(5y + 3) C. (10y + 3)(y + 3) D. prime
Mathematics
Perform the indicated operations and simplify.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify.i6
A. i B. -1 C. 1 D. -i
Mathematics