Ashley is thinking of two numbers. the first number is four more than twice the second number. the sum of the two numbers is 16. which system of equations can be used to determine the first number, x, and the second number, y?

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.