Answer:
i think the answer is A
Step-by-step explanation:
again "i think". so i could be wrong
Answer:
x = 9.8
Step-by-step explanation:
to find x, use pythagorean theorem





⇒ 9.8
Answer:
is a root.
is correct.
Step-by-step explanation:
As
is a factor of 
then it must be
is a root.
Therefore,
is correct.
Answer:
The correct answer is units.
Step-by-step explanation:
A physical quantity must have a determined unit so it has a numerical value assigned to it. A unit is a standardized way to relegate a numerical amount to properties of a specific measurement. For instance, the meter (m), second (s), and kilogram (kg) are specific units that permit us to relegate numbers to estimations of length, time, and mass measurements.