What is the result of adding these two equations? 5x- 9y = 1 and -7x + 2y = -5​

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 ?

How do you determine whether a relationship represented as as graph is linear or nonlinear

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1