Answer:
84 mm
Step-by-step explanation:
1 cm = 10 mm
8.4 cm = 84 mm
Answer:
-385y
Step-by-step explanation:
This expression cannot be factored with rational numbers, so -385y is your answer.
Answer: 8 yards
Step-by-step explanation:
The formula for calculate the volume of a cone is:

Where r is the radius and h is the height.
Given thevolume and the height of the cone, you can solve for the radius, as you can see below:

Angle x is equal to 70 degrees because it is a congruent angle to 70. Need any more help just contact me