Solve the equation symbolically.
+ 
= 4
A. 3, 
B. No solution
C. -3
D. 3
Answer: A
Mathematics
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Translate to a proportion and solve. 110 is what percent of 220?
A. 200% B. 100% C. 50% D. 40%
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Solve the problem.A mass hangs from a spring which oscillates up and down. The position P of the mass at time t is given by P = 4 cos(4t)What is the amplitude? What is the period? Graph this function over two periods beginning at t = 0. 
What will be an ideal response?
Mathematics
Add.5.43 + 0.65
A. 4.78 B. 6.11 C. 6.05 D. 6.08
Mathematics
Solve the problem.Each side of a square is lengthened by 3 inches. The area of this new, larger square is 81 square inches. Find the length of a side of the original square.
A. 3 in. B. 9 in. C. 8 in. D. 6 in.
Mathematics