At a store, notebooks are marked up 78% from what the retailer paid for them. The cost of a notebook is represented by n.
Which of the following expressions does NOT represent the markup cost?

A. n + 0.78n

B. (1+ 0.78)n

C. 1.78n

D. 0.78n

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

What is the least common multiple for 6 and 8? what is the least common multiple for 4 and 12 ? what is the least common multiple for 11 and 12? what is the least common multiple for 3 and 6?

You borrow $25,000 to buy a boat. the simple interest rate is 4%. you pay the loan off after 10 years. what is the total amount you paid for the loan?