Two circles with centres at P and Q are such that each passes through the centre of the other. The circles intersect at points R and S as shown below. What is the measure of ∠PRQ?

A)45
b)50
c)60
d)90

Identify the graph of y = ln x + 1.

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 ?

Which is a graph of a proportional relationship?