Solve.Molly has $12.35 in coins. She has five more nickels than dimes. She has six fewer quarters than dimes. How many quarters does she have?
A. 39 quarters
B. 28 quarters
C. 34 quarters
D. 33 quarters
Answer: B
Mathematics
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Find the curvature of the curve r(t).r(t) = (9t + 6)i - 2j + (3 - 
t2)k
A. ? = 9
B. ? = 9
3/2
C. ? = 
D. ? = 
Mathematics
Find the coordinates of the points shown on the graph.
A. G: (7, 7), H: (-6, -7) B. G: (7, -6), H: (7, -6) C. G: (7, 7), H: (-7, -6) D. G: (7, 30), H: (-6, -7)
Mathematics
Use a half-angle formula to find the exact value of the expression.tan 112.5°
A. -
- 1
B. 
- 1
C. -
+ 1
D. 
+ 1
Mathematics
Solve the problem.If an object is dropped, the distance it falls during t seconds is given by d(t) = 
gt2, where g is about 
Find the distance an object would fall in 10 seconds.
A. 800 ft B. 3200 ft C. 1600 ft D. 160 ft
Mathematics