What is the answer?
4x + 9(2x + 1)
x= 2 5/8

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

Find x to the nearest hundredth place

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=