Roberta uses 5 beads for every 3 inches of string while making necklaces which graph best represents the ratio of necklace string to beads used

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

35x 3= 105

step-by-step explanation:

35+35= 70   70 + 35= 105