Does it matter which number comes first?
wwill mark brainlist

it depends on what type of problem you are doing. addition and multiplication does not require a specific order but division and subtraction do. if you sre doing a multi step equation use “pemdas”

P- parentheses

E-exponents

M/D-multiplication/ division

A/S-addition/subtraction

Step-by-step explanation:

the first one, all those points on the line just make a strait line.

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.