Chen rode his skateboard 3 3/4 miles in of 3/4 an hour. What was his average speed in miles per hour?

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Pls never taught i’m really confused and i rlly need