I'm really bad at math and couldn't find anything that's helpful online,, Find the area of CDE. Round the area to the nearest whole number, if necessary

find the area. round to the nearest whole number

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities