What is 8,670,000,000 in scientific notation?

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

How can you use synthetic substitution to tell whether a given binomial is a factor of a polynomial?