Decrease 28 by 7% i s stuck

Given abcd ac=38 and ae=3x+4 find the value of x

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39