Katie and her brother are both writing a report. Katie wrote7/8of her report and her brother wrote3/7of his report. What is the best estimate of how much more Katie wrote than her brother?

What is the missing constant term in the perfect square that starts with x^2 -20x

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.