M. A vertex is a point at which two line segments meet. M is the only point listed and is a point of intersection.
Answer:
287 books
Step-by-step explanation
there was already 239 books. when the problem mentoins that Mary ADDS MORE books to the shelf, the operation is addition.
239+48=287
There is a graphing calculator called desmos hope it helps
You move 2x to the other side of the =, divide both side by 3 and make sure it’s in slope intercept form
2x+3y=12
-2x. -2x
——————-
3y= 12 -2x
—. — —-
3. 3. 3
y=4 - 2/3x
y= -2/3x + 4
Length of shorter piece is 13 ft
Length of longer piece is 61 - 13 => 48 ft
