Find the LCD for the given rational expressions.
, 
A. 24x2y3
B. 24x3y2
C. 24x5y3
D. 192x5y3
Answer: B
Mathematics
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Simplify the expression. Write the result using positive exponents only.
A. x69
B. x57
C. 
D. x20
Mathematics
Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set.x - y + z = 3x + y + z = -5x + y - z = -7
A. Cramer's rule does not apply since D = 0; ? B. {(-2, 1, -4)} C. {(-2, -4, 1)} D. {(1, -2, -4)}
Mathematics
Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi
Mathematics
What is the quotient of 74.75 and 10²?
A) 0.07475 B) 7.475 C) 74.75 D) 0.7475 E) 0.0074750
Mathematics