A parallelogram has four angles that are the same measure. Is it a square? Choose Yes or No to tell if the answer and explanation is correct.
Yes. Only squares have four angles that are the same measure.

yes or no

Yes. It could be a square if all sides are also the same measure.
Yes or no

No. If the sides are not the same length, it is not a square.
yes or no

No. The figure is a rhombus.
yes or no.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x