If 0 < f ≤ 90 and cos(22f − 1) = sin(7f + 4), what is the value of f?

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

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?