Solve the problem.A sum of money amounting to $4.75 consists of dimes and quarters. If there are 22 coins in all, how many are quarters?
A. 22 quarters
B. 7 quarters
C. 5 quarters
D. 17 quarters
Answer: D
Mathematics
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Find the limit.
- 
A. ?
B. 
C. 
D. 0
Mathematics
Find the equation of the circle that satisfies the following conditions. Express the final equation in the form x2 + y2 + Dx + Ey + F = 0.Center at (0, –1) and r = 6
A. x2 + y2 - 2y - 37 = 0 B. x2 + y2 - 2y + 1 = 0 C. x2 + y2 + 2y - 35 = 0 D. x2 + y2 + 2y + 1 = 0
Mathematics
Solve the differential equation.y' + 2y = 25
A. y = 25 + ce2x
B. y = 
+ e2x + ce-2x
C. y = 
+ ce2x
D. y = 
+ ce-2x
Mathematics
Determine whether the vectors v and w are parallel.v = 
, w = 
A. Parallel B. Not parallel
Mathematics