What is 0.72 equivalent to?

Factor and solve to find roots x squared -x - 90 =0

An ant travels at a constant rate of 30cm every 2 minutes.at what speed does the ant travel per minute

Pls what is the decimal equivalent of 5 over 9? select one: a. 0 point 5 bar over top of 5 b. 0 point 6 bar over top of 6 c. 0 point 8 bar over top of 8 d. 0 point 9 bar over top of 9