Use a system of linear equations to solve the problem.Two numbers total -6, and their difference is 6. Find the two numbers.
A. 0 and - 6
B. -6 and 2
C. - 2 and - 4
D. - 3 and - 9
Answer: A
Mathematics
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Write the whole number in standard form.Seventy-five thousand, nine hundred nine
A. 750,909 B. 75,990 C. 7599 D. 75,909
Mathematics
Identify as an equation or an expression.
= 
- 5
A. Equation B. Expression
Mathematics
Simplify the rational expression.
A. - 
B. 
C. 
D. 
Mathematics
Factor completely.a2 - 40ab + 400b2
A. (a + 20b)(a - 20b) B. (a - 20b)2 C. Prime D. (a + 20b)2
Mathematics