Clear fractions then solve by substitution.
x + 
y = 4
x - 
y = - 
A. {(-7, 10)}
B. {(7, 9)}
C. {(6, 10)}
D. ?
Answer: B
Mathematics
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Solve the equation.20d2 + 41d + 20 = 0
A. 
B. 
C. 
D. 
Mathematics
Solve for the amount of discount and amount due.Invoice amt: $87.95Invoice date: July 8Terms: 2/10, net 30Date paid: July 23
A. Amount of discount: $1.76; amount due: $86.19 B. Amount of discount: $17.59; amount due: $70.36 C. Amount of discount: $8.80; amount due: $79.15 D. Amount of discount: $0; amount due: $87.95
Mathematics
Solve.8x + 7 = -33
A. -5
B. - 
C. - 
D. -48
Mathematics
Solve. Round to the nearest hundredth if necessary.41.6 is what percent of 130?
A. 3.2% B. 320% C. 0.32% D. 32%
Mathematics