Simplify the expression algebraically.
?
?
A. -
B. 
C. 
D. 
E. 
Answer: A
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Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 3xy
B. 5xy
C. 5xy
D. 5xy
Evaluate the expression.[4 + (-4)] + (-5 + 8)
A. 13 B. -13 C. 3 D. 21
The graph of a function f is provided. Determine the requested function value.f(1)
A. 1 B. -5 C. -2 D. -3
Describe the situation with a linear inequality and then solve the inequality.A standard train ticket in a certain city costs 
per ride. People who use the train also have the option of purchasing a frequent rider pass for 
each month. With the pass, a ticket costs only
per ride. Use an inequality to determine the number of train rides in a month for which purchasing the monthly pass is more economical than purchasing the standard train ticket.
A. ? 22 times B. ? 24 times C. ? 23 times D. ? 21 times