Answer:
18
Step-by-step explanation:
X= -1 Y= 1
X= Negative 1 Y= Positive 1
combine the y's and the regular numbers
17y=51
divide 51 by 17
y=3
Answer:
Step-by-step explanation:
l= 20 in ; b = 40 in; h = 50 in
Surface Area = 2*(lb+bh+hl)
= 2*(20*40 + 40*50 + 50*20)
=2*(800 + 2000 + 1000)
=2*3800
= 7600 square inches
