Which of the following is not true? a. two points from Exactly on the line
b. three collinear points determine a plane
c. two lines intersect at one point ..
d. two planes intersect at one line.

You either wrote it down wrong, or there's a graphic to go along with it that you didn't include. There is not enough information to answer this question, sorry.

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

2160ft3

step-by-step explanation: