Solve each system of equations using substitution
y=x
x-4y=0

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

The actual length of side y is 22 cm. use the scale drawing to find the actual length of side x. a) 15.2 cm b) 17.1 cm c) 18.0 cm d) 28.3 cm

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?