carla has $300 in her bank account. Each time she goes to the atm, she withdraws $20. The amount of money left in her bank account after x atm withdrawls is represented by the function f(x)=300-20x what is the x-intercept? what does the x-intercept represent?

Sorry guys but as you have a small brain

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

If a line is defined by the equation y = 5x + 2, what is the slope?