Answer:
all limits exist.
Step-by-step explanation:
plz see in the picture for more explaination.
Answer:
Option (3)
Step-by-step explanation:
Option (1).
AB and SE are coplanar.
Incorrect.
AB lies in a plane ABS and SE lies in another plane SEL.
Option (2).
TS and SE intersect at E.
Incorrect.
They intersect at S.
Option (3).
R intersects K at SB.
Correct.
Since line of intersection of planes R and K is SB
Option (4)
AB and BL are perpendicular at B.
Incorrect.
Angle between them is not 90°.
Answer: The answer is in the attachment below!
the first one is -6, 8 second is 0,8!
area = l x w
area = 9 x 9
area = 81
Hope this was helpful. :-)
Distributive
Communative
Associative
☆is the order.