What is the value of x?

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 ?

What is the frequency of the sinusoidal graph?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.