HELP PLEASE I HAVE SO MANY COOLDOWNS AND PLS EXPLAIN I DONT GRT THIS

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.

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm