Answer:
c.
Step-by-step explanation:
The students in social studies club is bias, the boys will probibly pick the easier one and the teachers will pick the one that causes less mess. but the only way to have a fair and random survey is to ask every student.
x=4
-(7-4x)=9
-7+4x=9
4x=16
6.5 yards
1 yard = 36 inches
234/36 = 6.5
2 right and 5 down
x²-2x+1
(x-1) (x-1)
(x-1)²
(x)²-2(x)(1)+(1)²
Lines that cross one another.
