Anyone who knows College math please contact me I’ll give you questions worth 100 points

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Factor the polynomial by its greatest common monomial factor.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.