Line that passes through the points (2,4) and (12,-1),

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%.

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle