Could someone help me with this question please!

X:y = 5: 3 and x + y = 56
Work out the value of x-y

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d

How many solutions does the nonlinear system of equations graphed bellow have?

See attachment below and find the equivalent of tan(∠qsr)