Each side of a square x units long is increased by 8 units. Which expression represents the number of square units in the new square's area? ​

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2