Write the ratio 7/8 in two different forms

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?