Help me asap please help me help thank you

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.