A group of students were given a spelling test. The table shows their marks
a) Work out the range of the marks
b) How many students are in the group?
c) Work out the mean mark of the group

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.

step-by-step explanation:

at each of the parallel lines adjacent angles are supplementary. the angles have special names identifying their positions with respect to the parallel lines and transversal. they are corresponding angles, alternate interior angles, or alternate exterior angles. an angles is congruent to its matched angle.