Jenny charges for delivering the cakes.

bob lives 12 miles away.

delivery charges £4 fixed cost + 60p per mile. how much will jenny charge to deliver the cakes?

Of four points are collinear, they are also coplanar

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

What is the total surface area of this square pyramid?