Sara had 20 dollars to spend on 3 gifts. She spent 10 9/10 dollars on gift A and 6 3/5 dollars on gift B. How much money did she have left for gift C?

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

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