Multiple Choice
Write a system of equations for the problem, and then solve the system.
-A biologist collected 223 fern and moss samples. There were 155 fewer ferns than moss samples. How many fern and moss samples did the biologist collect?
A) Fern samples: 34; moss samples: 189
B) Fern samples: 189; moss samples: 68
C) Fern samples: 189; moss samples: 34
D) Fern samples: 172; moss samples: 34
Correct Answer:
Verified
Correct Answer:
Verified
Q176: Clear fractions then solve by substitution.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB9570/.jpg"
Q177: Decide if the graph of the system
Q178: Provide an appropriate response.<br>-When two linear equations
Q179: Provide an appropriate response.<br>-Decide if the system
Q180: Choose the one alternative that best completes
Q181: The graphing calculator screens show a system
Q182: GraphSolve the system by substitution.<br>-X - 2y
Q183: Solve the system by graphing.<br>-2x + y
Q185: Solve the system by graphing.<br>-4x + y
Q186: Decide if the graph of the system