Zach solved this problem. maria had a spool of ribbon 68 inches long. she cut the ribbon into 8 equal-length pieces. how long was each piece of ribbon? zach said the answer was 0.85 inches. is zach's answer reasonable

What are the soultion(s) to the quadratic equation 40- x^2=0

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Ihave trouble finding the nth term of a linear sequence