Look at the image and determine a answer please.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Cate purchases $1600 worth of stock and her broker estimates it will increase in value by 4.2% each year. after about how many years will the value of cate's stock be about $2000

If the velocity of a car is 45km/h west, how far can it travel in 0.5 hours?