Solve the system by substitution.x + 3y = 0x - 3y = 24
A. {(-4, 12)}
B. {(12, -4)}
C. {(3, -1)}
D. {(12, 4)}
Answer: B
Mathematics
You might also like to view...
Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. - 
B. 
C. 
D. - 
Mathematics
An executive invests $39,000, some at 7% and some at 6% annual interest. If he receives an annual return of $2,530, how much is invested at each rate? ? Amount at 7%: $ __________ ? Amount at 6%: $ __________
What will be an ideal response?
Mathematics
Divide.
A. 3x5 - 5x3 + 5x2 B. 24x11 - 40x9 + 40x8 C. 3x11 - 5x9 + 5x8 D. 24x5 - 40x3 + 40x2
Mathematics
Name all the elements of B that belong to the given set.B = {8, 
, -4, 0, 
, - 2, 2.3, 
}Whole numbers
A. 8, -4, 0
B. 8, 0
C. 8, -4, 0, 
D. 8, 0, 
Mathematics