Add or subtract. Assume all variables represent positive real numbers.
- 
A. -5
B. -15
C. -5
D. 9
Answer: C
Mathematics
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Solve the problem.Michael's bank contains only nickels, dimes, and quarters. There are 58 coins in all, valued at $4.70. The number of nickels is 2 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 13 dimes B. 43 dimes C. 7 dimes D. 8 dimes
Mathematics
Find the eigenvalues and the corresponding eigenvectors 
What will be an ideal response?
Mathematics
Perform the indicated operations. Write the resulting polynomial in standard form.(5x + 12y)(5x - 12y)
A. 25x2 + 120xy - 144y2 B. 25x2 - 120xy - 144y2 C. 25x2 - 144y2 D. 10x2 - 24y2
Mathematics
Write as a percent. 1.05
A. 1550% B. 205% C. 105% D. 1050%
Mathematics