Answer:
Step-by-step explanation: He add 16 together you are not suppose to add 16 you are suppose to add 5 together so instead of 16 + 16 you do 16+ 5
For this case we have by definition, that the volume of a cone is given by:

Where:
A: It is the cone radius
h: It's the height
They tell us that the diameter is 21 m, then the radius is half the diameter, that is: 10.5m. The height is 4m. Substituting the data:
.
Finally, the volume of the cube is
ANswer:
Option B
Answer:

Step-by-step explanation:

Answer:
From -6 to positive 1 the length is 7
Step-by-step explanation:
you still add'em.
Answer:
Airpods=$150 iPhone=1050
Step-by-step explanation:
$1,200/8=150 150*7=1050
I might be wrong tho