Is this true??

4/2 = −4/−2 =2

is this true??
−4/2=4/−2=2

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance