Answer:

Step-by-step explanation:
Let total number of students
Students went to the book fair:
Students went to book fair
Students who bought book:

Hence
of total students bought at least one book.
Answer:
Wow I got the first step
are you looking for the
intersection of the line perpendicular
to plane 1 thorough the origin and plane 2
for the first part???
Answer:
C
Step-by-step explanation:
If a line bisects a segment, both sides of the segment are equal. Therefore, IJ and JK have the same length, and are equal.
B. but im not entirely sure
Answer: 8/6 , 8:6, 8 to 6
Step-by-step explanation: From the diagram, Alicia has 6 pencil and 8 markers. The ratio of markers to pencils are 8 over 6, 8:6, and 8 to 6