Jennifer gets a salary of $12000 while David gets $8400 more per month. What is the ratio of the salaries of Jennifer and David? A.10 : 7

B.7 : 10

C.9 : 6

D.12 : 7​​

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

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

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.