I tried to solve this equation step by step what did I do wrong?
4c=12
Step 1: 4c/4 = 12•4
Step 2: c= 48

you multiplied 12 by 4 instead of dividing

Step-by-step explanation:

it should be :

4c/4=12/4

c=3

the answer is the third / last answer

step-by-step explanation:

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.