1.Colin walked a distance of 15 miles in 6 hours. Work out Colins average speed.
Give your answer in miles per hour.

2.Tim drives at an average speed of 80km per hour for 3 hours 45 minutes.
Work out how many kilometres Tim drives.

i will mark you the brainiest

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

Which of the following are accepted without proof in a logical system? check all that apply.

Math each whole number with a rational, exponential expression