Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. no solution; ?
B. 
C. 
D. infinitely many solutions; {
3x - 2y = 2} or {
2x - 5y = 2}
Answer: B
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Solve the problem. Where appropriate, round to the nearest tenth of a percent.Sales of frozen pizza for a club fundraiser increased from 500 one year to 540 the next year. What was the percent increase?
A. 7.4% B. 92.6% C. 92% D. 8%
Provide an appropriate response.The amount of income tax due on taxable income depends on the 
of the taxpayer.
A. itemized deductions B. filing status C. number of exemptions D. deductions
Perform the indicated operation and write the answer in the form 
where a and b are real numbers.(7 - 5i) + (8 + 2i)
A. 15 - 3i B. -1 + 7i C. 15 + 3i D. -15 + 3i
Solve the problem.There are 2.2 milligrams of iron in a 3.5 ounce serving of lamb. How much iron is in 4 ounces of lamb? Round to the nearest tenth, if necessary.
A. 1.9 mg B. 2.5 mg C. 2.9 mg D. 3.5 mg