Terry drove 366 miles in 6 hours at a constant speed. how long would it take him to drive 427 miles at the same speed

Find the value of the cosine for angle a

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%.

It says factor each expression completely 8y+48