This is due soon I really need help w algebra 1 attached question in pic

Two different linear functions are shown below with two points given from each function. use slope-intercept form or point-slope form to find the equation of each. linear function a points: (–5, –2), (–5, 7) linear function b points: (7, –5), (–2, –5) function a has: the equation of line a is: function b has: the equation of line b is:

If 25% of y is 30, what is 60% of y?

What is the value of x when x + 7 = 21?