Fill in the blank with the correct inequality symbol. State which property of inequalities is being utilized.If 5x < 35, then x 
7.
A. x > 7; Multiplication Property
B. x < 7; Addition Property
C. x > 7; Addition Property
D. x < 7; Multiplication Property
Answer: D
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Identify the intercepts.
A. (1, 0), (0, 3) B. (-1, 0), (0, 3) C. (-3, 0), (0, 3) D. (1, 0), (0, -3)
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.1
? 
A. 1
B. 
C. 
D. 1
Solve the problem.The revenue received from the sale of electric heaters is seasonal, with maximum revenue in the winter. Let the revenue received from the sale of heaters be approximated by R(x) = 240 cos 2?x + 600, where x is time in years, measured from January 1. Find R'(x) for March 1st.
A. 0
B. -240?
C. -240?
D. -240?
Find the perimeter.
A. 127 ft B. 90 ft C. 371 ft D. 120 ft