Use greatest common factor and the distributive property to write equivalent expressions in factored form for the following
4d + 12e

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%.

Can someone me with the property questions for 12 13 and 14 plz

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry