Ted weighs partly used spools to estimate the length of cable that remains

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

[tex]5 \times1 \frac{12}{13} [/tex] me

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf