If the measure of angle abf =6x+26 and the measure of angle ebf=2x-9 and the measure of angle abe=11x-31 find the measure of angle abf

What expression is equivalent to 42x-56y

Maurice has 54 fewer comic books than rebecca.they have 130 comic books together .how many comic books are in maurices collection ? how many comic books are in rebeccas collection

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above