Solve the problem.The sum of the squares of two numbers is 10. The difference of the two numbers is 4. Find the two numbers.
A. -3 and -1; or 1 and 3
B. -1 and 3; or -3 and 1
C. -3 and 1
D. -1 and 3
Answer: B
Mathematics
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Solve the equation.
- 
= 
A. 2, -2 B. no solution C. 2 D. -2
Mathematics
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics
Solve the problem.The population of a town is currently 15,000. This represents an increase of 20% from the population 5 years ago. Find the population of the town 5 years ago. Round to the nearest whole number if necessary.
A. 12,500 B. 75,000 C. 3000 D. 12,000
Mathematics
Use the Gauss-Jordan method to solve the system of equations. 2x - 2y = -8 6x - 6y = 3
A. 
B. (-8, 3)
C. (3, 3)
D. No solution
Mathematics