8. The following table shows the results of Peter and Mary in three quizzes.
Quiz 1
Quiz II
Quiz III
Peter
x
34
62
Mary
60
58
40
Weight
1
1
3
The weighted mean mark of Peter is 52.
(a) Find the value of x.
(b) The teacher has adjusted the weight of quiz III. As a result, the
weighted mean marks of Peter and Mary are the same. Find the
new weight of quiz III.​

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Which graph represents the parent function of y=(x+2)(x-2)

If you could answer these your a life saver