X/a -1=y/b for x
ax+2xy=14 for y
a=(f+g/2)h for g

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

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

Simplify using positive exponents only.