Answer:
B
Step-by-step explanation:
Answer:
a straight line at an angle of 90° to a given line, plane, or surface.
Step-by-step explanation:
Answer:
Step-by-step explanation:


80 x 4 = 79+81+77+x
320=237 + x
320-237 = x
83=x
so Marianne must score 83 points or higher on her last test