Answer: Is this completing a a square?
Step-by-step explanation:
Answer:
y = (31/21)x + 5
Step-by-step explanation:
Answer:
84
Step-by-step explanation:
4 test grades with an average of 80 would have a total of 80x4=320.
75+83+78=236
320-236=84
Answer:
C
Step-by-step explanation: