Answer:
A case is an experimental unit. ... Another synonym is experimental unit. A variable is a characteristic that is measured and can take on different values. In other words, something that varies between cases.
Explanation:
a variable In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation.
a unit In math, the word unit can be defined as the rightmost position in a number or the one's place
180 miles/hr
15 min=1/4 hr
s= distance/time
s=45miles/1/4 hr
s=45miles x 4/1=180 miles/hr
Answer: It would take 3.23ms
Explanation: Please see the attachments below
(a)
