Y=-5x and 21x-7y=28 using substation method

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

The graph of g(x) is a translation of y = which equation represents g(x)?

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done