What are the first 3 multiples of 13

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

What is the value of x in the following equation. -x ^3/2 = -27

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.