X^2 - 21x - y + 104 =0 x + y - 4 = 0
x+y-4=0
Solve algebracally show your work plz

Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.