Answer:
Step-by-step explanation:

the error was in not take the root of the number correctly
the student assumes that the root of 144 was equal to 72
Answer:
Bill gave Ann £220
Step-by-step explanation:
plz mark brainliest :D
For me it’s most likely to be A because I combine the inequality and got A so hope this helped
3x-21=6x-60
3x+39=6x
39=3x
x=13
Answer:
Midpoint of segment AB= (-0.5, 0)
Step-by-step explanation:
The midpoint coordinates of the midpoint has the x coordinate on .5 and the y coordinate on 0.