Can numbers 5,9,12 form an right
triangle?

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%.

Use the graph of the sine function y=2sinθ shown below

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?