Ax 4 = e
b ÷ 4 = e
c + 4 = e
d - 4 = e

& a + b + c + d = 100

challenge
*what is the value of e ? *

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Which expression gives you the distance between the points (5,1)and(9,-6)

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?