Okay I dislike improper fractions but the way to do this
see how many times the bottom number (denominator) goes into the top number (numerator)
4 can go into 15 3 times so 3 is your whole number
now you have 15-12=3 and that last three will be your next numerator
so your answer will be
3 3/4
Answer:
P=(a+b)*2
P=(2x+8+5x-2)*2=(7x+6)*2=14x+12
Line segment is limited by two endpoints which also define one.
A Line is not limited to but only exists because of those two endpoints.
Hope this helps.