Unit rate of a fan that rotates 2000 times in 40 seconds

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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?