Find the standard form of the equation of the ellipse and give the location of its foci. What is the standard form and foci?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)