How many terms are in this expression? 5x+11

These question are hard can you me with answers

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.

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply