Answer:
Option D
Step-by-step explanation:
(8x^2-9y^2-4x) +(x^2-3y^2-7x)
8x^2+x^2-9y^2-3y^2-4x-7x
9x^2-12y^2-11x
Answer:
69
Step-by-step explanation:
becuz
Median, because there is an outlier that affects the mean
Well looking at this question , your answer should be option C: 3 x 3/5
Total divided by number of rows=number per row
63/7=9
9 per row
