If the vertices of a science classroom are located at
(−3
x
1
,
y
1
)
-3x1,y1
,
(−3
x
2
,
y
2
)
-3x2,y2
,
(−3
x
3
,
y
3
)
-3x3,y3
, and
(−3
x
4
,
y
4
)
-3x4,y4
, will the science classroom be congruent to the math classroom?

Atruck can be rented from company a $50 a day plus $0.60 per mile. company b charges $20 a day plus $0.80 per mile to rent the same truck. find the number of miles in a day at which the rental costs for company a and company b are the same