2. What is the y-coordinate for solution of the system of equations shown? x + 4y = 9 5x + 10y = 5

A 7

B 4

C -4

D -7

Choose the graph that matches the following system of equations: 7x + 2y = −6 6x − 7y = 21 a line includes points negative 2 comma 4 and 0 comma negative 3. a line includes points 6 comma 2 and 0 comma negative 3 a line includes points 0 comma negative 3 and 6 comma 2. a line includes points negative 2 comma 1 and negative 3 comma 4 a line includes points 0 comma negative 3 and negative 1 comma 4. a line includes points 0 comma negative 3 and negative 1 comma 3 a line includes points 0 comma 3 and negative 1 comma negative 3. a line includes points 0 comma negative 3 and negative 2 comma 4.

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²