Which estimate is the most reasonable for this problem?
bryson is on a flight that is 9,162 kilometers long. the airplane has flown 969 kilometers. how much farther does the airplane need to fly?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Mens' heights are normally distributed with u 68 in and o 6 in. womens' heights have u 65 in with o 4 in. dan is 70 in tall and amy is 68 in tall. who is relatively taller? are they unusually tall?