Allie aunt has saved $10,000 in $20s. she spends $20 bil everyday. how many days will it take her to run out of bills?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Find the area of the triangle shown 3 by 6

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.