A line segment that cuts a side of a triangle in what and makes a what angle

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.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!