Johns test grades in his science class are 82, 93, 75, and 89 what is his average? 1. (87.45) 2. (80.00) 3. (90.40) 4. (89.25) 5. (84.75)

The average of the John scores is 84.75.

Step-by-step explanation:

Formula of average is given as :

We have:

Test grades of John: 82, 93, 75, and 89

Number of terms - 4

Average of the score of the John;

The average of the John scores is 84.75.

the answer is (4,3)

since the rule for r0, 90º is (-y,x) and it was already applied to form the image, all you have to do is reverse the answer using this formula.