What is the measure of ∠x? B is 40. D is 31

Combine like terms to make a simpler expression 3z+z

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

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.