Solve the problem.Ms. Patterson proposes to give her daughter Claire an allowance of $0.15 on the first day of her 13-day vacation, $0.30 on the second day, $0.60 on the third day, and so on. Find the allowance Claire would receive on the last day of her vacation.
A. $1.95
B. $1228.80
C. $614.40
D. $4096.15
Answer: C
Mathematics
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Find the requested composition or operation.f(x) = 4 - 4x, g(x) = -7x + 4Find (f + g)(x).
A. 3x + 8 B. -3x C. -11x + 8 D. -7x + 4
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Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (0, 
) and (0, -
)
B. foci at (5, 0) and (-5, 0)
C. foci at (4, 0) and (-4, 0)
D. foci at (
, 0) and (-
, 0)
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Use the addition formulas to derive the identity.cos 
= sin x
What will be an ideal response?
Mathematics
Solve. Remember to insert units when writing your answer.A hiker started the day with 7.4 L of water. At the first break, she drank 130 ml. How many liters of water remained?
A. 7.27 L B. 0.7270 L C. 72.7 L D. 6.1 L
Mathematics