Please help!!
what is the equation for the graph?
the graph is in the picture.

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Evaluate cos2θ for cosθ = square root of 3/2