Solve the problem.Wayne has $20.18 in his wallet. Janice has a debt note for $23.24 in her wallet. Find the difference between these amounts.
A. $3.06
B. -$43.42
C. -$3.06
D. $43.42
Answer: D
Mathematics
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Determine if the function is even, odd, or neither.f(t) = cos 2t
A. Even B. Odd C. Neither
Mathematics
Factor.4x + 32 + xy + 8y
A. (x + 8)(4 + y) B. (y + 8)(4x + y) C. (x + 8y)(4 + y) D. (y + 8)(x + 4)
Mathematics
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.r(x) = x2 + 6x + 9
A. 
Vertex (-3, 0)
x-int = (-3, 0);
y-int = (0, 9)
B. 
Vertex (0, 9)
no x-intercepts;
y-int = (0, 9)
C. 
Vertex (3, 0)
x-int = (3, 0);
y-int = (0, 9)
D. 
Vertex (0, -9)
x-int = (-3, 0),
(3, 0); y-int = (0, -9)
Mathematics
In the triangle shown, m
= 90°. Find an expression for cos B (also called cos 
).
What will be an ideal response?
Mathematics