B:(3,-4)
2x-(-x-1)=10
X=3
Y=-3-1
Y=-4
Plug in x=1 and y=2 into the inequality:-
2x + 9y = 2 + 18 = 20
20 is not < 20
so it is not a solution
Answer:
314 mi^2 (3 s.f.)
Step-by-step explanation:

diameter of sphere= 10mi
radius of sphere= 10÷2= 5mi
Surface area of sphere= 4(pi)(5^2)= 100pi= 314mi^2 (3 s.f.)
Answer:
Your answer is x
77
Step-by-step explanation:




Hope this helps!
Answer:
62.9 inches cubed
Step-by-step explanation:
V=πr²h
Have a good day :)