It is 18°C at 8 am, and 14°C by noon. The change in temperature from 8 am to noon is A -8
B -4
C 6
D 32

What is the number 321,000,000 in scientific notation? also what is the number? ?

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.

What is the difference between the equations of a vertical and a horizontal line?