Find the solution set of the system.
a. 
b. 
c. 
d. 
b.
Mathematics
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Find the tax refund or tax due for the following people. The letter following the name indicates the marital status. Assume a 52-week year and that all married people are filing jointly. Use $4050 for each personal deduction, a standard deduction of $6300 for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the tax rate schedule.
A. $1,384.17 due B. $1,384.17 refund C. $11,424.23 refund D. $11,424.23 due
Mathematics
Multiply and leave your answer in exponent form.(x10)(x16)
A. x160 B. x6 C. x26 D. 2x26
Mathematics
Convert the units using unit fractions.10 days = 
hr
A. 120 B. 600 C. 70 D. 240
Mathematics
Solve the equation.
x+1= 
x-1
A. 
B. 
C. 
D. 
Mathematics