If M4= 78 degrees, what is M1, M2, and M3?

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%.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

What is the range for 31,39,29,34,37,24,36,33,34,28