Peta attempted to solve the following equation. Explain Peta’s error.
x(x-5)=20
x=20 and x -5 =20
x=20 and x=25

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

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h

Find the distance between (7,-6) and (-3,-9)