How much work is required to lift a 2.90 kg object from the bottom of a well 8.7 m deep?

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 relationship between all triangles that can be drawn given the same three angles

Which statement justifies why angle ebc measures 90?