Jabu had a bag of marbles. she gave half of them to james and a third of the marbles still in the bag to Sue. She then had 6 marbles left. How many marbles did she have to start with

a) false; the points do not have to be in a straight line.

step-by-step explanation:

the points could be in the shape of a triangle

b is incorrect

c is incorrect because it is saying the immediately don't form one when they are capable of doing so

d is incorrect

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45