Rosa measures lap times at a track meet. She records a time of 72.5
seconds for one runner, but the actual time is
72.30
seconds.

What is the approximate percent of error in Rosa’s measure?

3.5%

3%

0.35%

0.3%

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

What is the perimeter of square abcd? units units 28 units 37 units

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning