What is the area of the composite figure? units2

1. are the triangles similar and if so why? what is the value of x? show your work.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.