Solve.You make a deposit of $59 into your checking account and you write a check for $90. What is the overall effect of these two actions?
A. -$31
B. $149
C. -$149
D. $31
Answer: A
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Solve by the substitution method.4x + 6y = 02x + 3y = 0
A. {(9, -6)} B. ? C. {(9, -5)} D. {(8, -5)}
Solve the problem using determinants.Linear systems occur in the design of roof trusses for new homes and buildings. The simplest type of roof truss is a triangle. The truss shown in the figure is used to frame roofs of small buildings. If a force of 125 pounds is applied at the peak of the truss, then the forces or weights W1 and W2 exerted parallel to each rafter of the truss are determined by the following linear system of equations. 
(W1 + W2) = 125W1 - W2 = 0Find W1 and W2.
A. W1 = 72.17 lb; W2= 62.5 lb B. W1 = -72.17 lb; W2= -72.17 lb C. W1 = 41.67 lb; W2= 41.67 lb D. W1 = 72.17 lb; W2= 72.17 lb
Solve the problem.Ray's gross pay is $271.84 per week. $48.05 is withheld for federal income tax, $26.66 for FICA tax, and $14.02 for other deductions. Find his net pay.
A. $197.13 B. $183.11 C. $193.11 D. $211.15
Graph the inequality.x + 2y ? 1
A. 
B. 
C. 
D. 