The answer is 231 square feet. 45% is .45 in decimal form. You would multiply .45 by 420 and get 189. Then you would subtract 189 from 420 and get 231.
Answer:
Step-by-step explanation:
1
For this case we have by definition that the volume of a cylinder is given by:

Where:
r: It's the radio
h: It's the height
We have as data that:

Substituting:

We cleared h:

Thus, the height of the cylinder is 2.25 inches.
Answer:

Answer:
vertical
Step-by-step explanation:
did the test
Answer. 67
Explanation 100 - x2 + 15 X = 9
100 - (9) 2 + 15
100 - 18+15
100- 33
67