Answer:
Step-by-step explanation:

Answer:
so lets get the cones volume first the formula for a cone is V=πr2/3
so V=πr2h
3=π·22·3
3≈12.56637
and then the height of the cylinder is 4
Step-by-step explanation:
Answer:
Since 21 hundredths is 21over one hundred,21 hundredths as a Fraction is 21/100. If you divide 21 by one hundred you get 21 hundredths as a decimal which is 0.21. To get21 hundredths as a Percent, you multiply the decimal with 100 to get the answer of 20percent.
Answer:
Options C. and D. are correct.
Step-by-step explanation:
Let 
Equation of a line is given by 

Put 

Put 

Put 

Put 

Put 

So, points
satisfy the equation 
Therefore,
points
lie on the line through
and 
Options C. and D. are correct.
Step-by-step explanation:
180 -angled triangle,
180-56 = 124
124/2 = 62 (each corner of the right triangle)
then find the corner below
the rectangle has right angles on the right side
x = 90-62
= 28