Find an equation for the graph.
A. y = -3 cos 
B. y = -3 sin (3x)
C. y = -3 cos (3x)
D. y = 3 cos 
Answer: A
Mathematics
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Find the number of ways to get the following card combinations from a 52-card deck.If two cards are drawn from a 52-card deck without replacement, in how many different ways is it possible to obtain a heart on the first draw and an ace on the second?
A. 51 ways B. 50 ways C. 3 ways D. 48 ways
Mathematics
Find the vertices and foci for the ellipse. : 4x² + 9y² = 36
What will be an ideal response?
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Find the values of the variables for which the statement is true, if possible.
= 
A. x = 9; y = 6; z = 7 B. x = 6; y = 7; z = 9 C. x = -9; y = -6; z = -7 D. x = -9; y = 7; z = 6
Mathematics