Which systems of equations have no solutions? (Check all that apply.) A x – y = 1, –3x + 3y = 3
B 2y = 3 – 4x, x + y = 0
C 12x + 2 = 4y – 10, 2x + y = –11
D –3x – y = 5, 15x = 10 – 5y
E x + y = 1, –4x + 2y = 7

Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c

If wxyz is a square, which statements must be true? plz < 3

Adoughnut shop charges $0.50 for each doughnut and $1 for a carryout box. shirley has $10 to spend. which inequality can be used to find d, the number of doughnuts she could have bought if she also wants them in one carryout box?