In a week, 23 hens laid 92 eggs. What is the unit rate for eggs per hen?

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.

Determine the area of a triangle with (see picture below)

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18