Answer:you did it right good job
Step-by-step explanation:
Answer:
251.2 units³ ; 80π units³
Step-by-step explanation:
Volume of a Cylinder is: 
'r' is the radius.
'h' is he height.
The cylinder has a base radius of 4 units and the height 5 units.
<h3>Using 3.14 for Pi:</h3>

The approximate volume is 251.2 units³.
<h3>In terms of pi:</h3>

The exact volume is 80π units³.
Answer: Gavin was faster because his time was less than Crystal's.
Step-by-step explanation: They rollerbladed the same distance but Gavin did it in less time.
Hope this helped!
Mark Brainliest if you want!
Hello!
This is False. Vertical angles are directly across from one another, and have the same measurements. Complementary/Supplementary angles are always adjacent, with complementary angles totalling 90° and forming a right angle, and supplementary angles totalling 180° and forming a straight line.