If C = 2a- 5 and D= 3 – a, then C 2D is equivalent to
2a? - a-8
2a2 + 2a – 11
2a? - a -11
2a2 + a-8

Solve the system of equations y= 3/2 - 1, -x+ y =-3

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

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.