What is the value of y in the system of equations shown below?

7x − 7y = 49
3x − 16y = 34

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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 ?

Why is x= 4 a solution to the proportion 14/x 56/1 6