Sally says that based on the information given in the image below she knows that line and line are parallel.
Is she correct? Why or why not? (Be sure to explain thoroughly.)

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 for x and y: 217x + 131y = 913; 131x + 217y = 827

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry