Answer:
4
Step-by-step explanation:
2x2=4
V-10=-3
add 10 by both sides (opposite of -10)
v= 7
The answer is B., valid because people were chosen randomly
This would make it a valid survey
Hope this helps!
;3
The greatest common factor of 28 and 36 is 4.
<span>a) Yes, because the total will be $48
hope i helped</span>