Answer:
B. -11 + 7
Step-by-step explanation:
Minus a negative translates to add.
-11 - (-7) = -11 + 7
Answer: n=-28
Step-by-step explanation:
Answer:
Well first see what the points are
Step-by-step explanation:
Hello!
The equation to find the volume of a cone is

r is radius
h is height
Put in the values we know

Square the number

multiply 81 by 3.14

Multiply
339.12
The answer is 339.1 cubic inches
Hope this helps!
Answer:
21
Step-by-step explanation:
3/(x-3) = 8/(2x+6)
or, 3(2x+6) = 8(x-3) ( by cross multiplication)
or, 6x + 18 = 8x - 24
or, 8x - 6x = 24 + 18
or, 2x = 42
or, x = 42/2
=21