Answer:

Step-by-step explanation:
The formula of a volume of a cone:

r - radius
H - height
We have r = 10cm and H = 16cm. Substitute:

Answer:
219
Step-by-step explanation:
he will still need 219 dollars to get to 948
Answer:
concentration = 8/84 + 8 = 0.8696
Step-by-step explanation:
2 = 2(-3) + 8
2 = -6 + 8
2 = 2
true.
2 = 3 + 1
2 = 4
false.
this is not a solution because both equations have to be true.