Which of the following is important to do when planning an experiment? (1 point) Make sure that your friends will be there when you do the experiment.

Make sure that the experiment is safe to conduct.

Make sure that nobody else can copy the experiment.

Make sure that you don't know what the experiment is testing.

1. are the triangles similar and if so why? what is the value of x? show your work.

Can anyone me with this question?

Will mark brainliest, , and rate to only chrislaurencelle clarissa made a scale drawing of a rectangle. she used a scale factor of 3 to draw the new rectangle. how does the length of the new rectangle compare to the original? the length of the new rectangle is 3 times shorter than the original. the length of the new rectangle is 12 times shorter than the original. the length of the new rectangle is 3 times longer than the original. the length of the new rectangle is 12 times longer than the original.