Find the sum

2/8 + 3/9

What could explain what happened when the time was equal to 120 minutes

Find the domain and range of the following function f(x) = 51x - 21+ 4

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?