Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.x + y = 1x + y = 5
A. {(0, 6)}
B. {(1, 5)}
C. Cramer's rule does not apply since D = 0; ?
D. Cramer's rule does not apply since D = 0; {(5 - y, y)}
Answer: C
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Solve using a proportion. Round your answer to the nearest hundredth when necessary.Jack did not notice that he had run out of money in his checking account so he continues making purchases. After 2 days, his balance is 
If he continues spending money at this rate, what will his balance be after 12 days?
A. -$24 B. -$132 C. -$66 D. -$12
Evaluate the expression.C(5, 5)
A. 0 B. 120 C. 1 D. 5
Write the number in words.2,400,844
A. two million, forty thousand, eight hundred forty-four B. two million, four hundred thousand, eight hundred forty-four C. two million, four thousand, eight hundred forty-four D. twenty-four thousand, eight hundred forty-four
Solve the equation graphically. Approximate the solution to the nearest hundredth, if appropriate.x = 
+ 7
A. 3 B. No solutions C. 12 D. 3, 12