A. ( -1,-1)
B. ( -3,-3)
C. ( -3, -1)
D. ( -3,-5)
HELP WILL MARK BRAINLEIST.

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

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x

How are algebraic expressions evaluated using substitution?