Answer:D.51
Step-by-step explanation:180-68-61=51
Answer:
(x + 7)2 + (y + 1)2 = r2.
To get we use point (8, 7): (8 + 7)2 + (7 + 1)2 = r2, r2 = 225 + 64 = 289 = 172.
So, equation of circle: (x + 7)2 + (y + 1)2 = 289
Step-by-step explanation:
Answer:
9/16
Step-by-step explanation:


Derivative rule:


Here, n=-1, so

Evaluating this at x=-4 gives 9/16
Answer:
I think it is 3(x+1) not sure but try it(it is a graph answer)
Answer:
15 scores are less than 90
Step-by-step explanation:
Total 11 scores are less than 90 not 15