At a cinema, films are shown on Screen 1 and Screen 2 Customers pay full price or child price. There are three times as many customers in Screen 2 as Screen 1 68 customers paid child price. Complete the frequency tree.

These question are hard can you me with answers

The product of two negative rational numbers is always zero sometimes zero never zero

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.