Can someone help me with the questions in the images. if they are correct i will mark as brainliest

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

When you find the area of a triangle do you use in. or in2

Coleen made 1,000 bracelets to sell at a flea market. she sold each bracelet for $5.50. if she sold all of the bracelets, how much money did coleen make? $550 $5,500 $55,000 $550,000