Determine the slope of the line 
, if defined.
A. 
B. 
C. 
D. 
E. slope undefined
Answer: E
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Write a linear inequality in two variables to represent the situation.A freight elevator has a limit of 5250 pounds. Suppose x crates of plastic parts, each crate weighing 900 pounds, and y crates of metal parts, each crate weighing 1050 pounds, are to be placed on the elevator. Write a linear inequality that describes the options for the number of crates of each type.
A. 900x + 1050y ? 5250 B. 900x + 5250y ? 1050 C. 900x + 1050y ? 5250 D. 1050x + 900y ? 5250
Solve the problem.The following data represents the number of employees at a company at the start of each year since the company began. 
Using the line of best fit for the data set, predict the number of employees at the start of the 10th year.
Fill in the blank(s) with the appropriate word(s).
Divide. Leave your answer in trigonometric form.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. 
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. {(8, 12)}
B. infinitely many solutions; 
or 
C. no solution; ?
D. {(12, 8)}