Answer:
co-ordinates are (-3,7) and (5,7)
or
(-3,-5) and (5,-5)
length of diagonal=10 units
Step-by-step explanation:

length of diagonal
d=\sqrt{8^2+6^2} =\sqrt{64+36} =\sqrt{100} =10 ~units\\or\\d=\sqrt{(5+3)^2+(1-7)^2} =\sqrt{64+36} =\sqrt{100} =10~units.
Step-by-step explanation:
you need to copy the problem text better.
particularly the answer options cannot be complete. where are the x on the right side for example ? and what does number(number) mean ?
Answer:
It is in deficit.
Step-by-step explanation:
I got it right on the test
Y=mx+b
m=slope
perpendicular lines have slopes that multiply to get -1
the slopes are
for

and

, the slope are

since their product is -1, the lines are perpendicular
Answer:
x+5
Step-by-step explanation:
Since you don't know how much Joe weighs, you can express his weight as x. Then, you add on 5 because you have 5 more lbs than joe (which is x).