What is 5/6 + (-4/9) - (-2)

The measure of angle 0 is 600 degrees

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?

Find the equation in slope intercept form parallel to y=5x + 2 that pases through (-6,-1)