Pls answer a-d and give me work pls cuz i rlly dont understand it

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21