Evaluate the expression using the given values.
?x = 5, y = 7
A. 107
B. 55
C. 19
D. 13
Answer: B
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Graph the equation by plotting the intercepts.5x - 15y = 30
A. 
B. 
C. 
D. 
The figure below shows the graph of a function y = f(x). Use this graph to solve the problem.Sketch the graph of y = -f(x).
?
A. 
B. 
C. 
D. 
Solve the problem.A volunteer wants to crochet beach hats and baby afghans for a church 
bazaar. She needs 2 hours to make a hat and 5 hours to make an afghan and she has 10 hours available. Write an inequality that describes the situation and use the inequality to decide whether she can make 7 hats and 2 afghans in the time allowed. Let x represent the number of hats and y the number of afghans that she makes.
A. 2x + 5y ? 10; yes B. 2x + 5y ? 10; no C. 2x + 5y ? 10; no D. 2x + 5y ? 10; yes
Decide whether the pair of lines is parallel, perpendicular, or neither.9x + 3y = 1215x + 5y = 23
A. parallel B. perpendicular C. neither