How do you do a/5 if a = -16 and the answer you can use are 15,13,1/12,88,75,-7,1/36,80 i think it might be -7 i just don't know how to work it out i forget

Charlie is a car salesman he earns $800 plus a 9% commission on all of her sales for the week if charlie receive the payment for $1960 this week how much where is total sales

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl