The diagram shows a track composed of a rectangle with a semicircle on
each end. The area of the rectangle is 12,600 square meters. What is the
perimeter of the track? Use 3.14 for it.
The perimeter of the track is
(Round to the nearest tenth as needed.)

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Which best explains why this triangle is or is not a right triangle?

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true