Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
- 
A. 
B. 0
C. 
D. 
Answer: C
Mathematics
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Determine whether the given lines are parallel, perpendicular, or neither.y = 5x + 3y = -5x + 1
A. Parallel B. Perpendicular C. Neither
Mathematics
Find a so that the statement is true.
a = __________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 1
B. 
C. 
D. 
Mathematics
Solve the problem. Round to the nearest whole unit.A 25-inch tall picture hangs on a wall so that its lower edge is 
higher than the eyes of an observer. How far from the wall must the observer stand in order to make the angle subtended by the picture equal to 1/3 of the angle of elevation of the top?
A. 36 in. B. 42 in. C. 30 in. D. 24 in.
Mathematics