What are the lengths of AD, DB, AE, and EC? Measure and record them.

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

Asmall book publisher knows that 26 books weigh 41 lbs. how much do 40 books weigh?