Identify the equation of the circle that has its center at (-3, -4) and passes through the origin.

What is the simplified expression for 6(2(y+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 ?

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?