Solve the system of equations by graphing.
A. (-1, -3)
B. no solution
C. (3, -1)
D. (-1, 3)
Answer: D
Mathematics
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Solve.If an earthquake measured 6.3 on the Richter scale, what was the intensity of the earthquake? 
A. 199,526 B. 544 C. 1,995,262 D. 1,584,893
Mathematics
Determine if the given function: is even, odd, both, or neither.
a. Even b. Neither even nor odd c. Odd d. Both even and odd
Mathematics
Simplify completely.
A. - 
B. 
C. - 
D. 
Mathematics
Translate to a system of three equations, then solve.Michael's bank contains only nickels, dimes, and quarters. There are 49 coins in all, valued at $3.85. The number of nickels is 3 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?
A. 36 B. 13 C. 5 D. 8
Mathematics