12. Solve the system of equations using substitution. y = 2x + 3
y = 3x + 1
0 (-1,-2)
O (2,7)
O (-2,-1)
O (-2,-5)

how is that middle school

step-by-step explanation:

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here

won't that be plagrisim thought?

step-by-step explanation:

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.