Answer: 
Step-by-step explanation:
The rate of change is a measure in which one variable is modified in relation to another. In this case we have the variables:
Temperature in 
Time in 
Now, to calculate the rate of change, we have to divide one variable by the other. In this case the change in temperature
divided by the time variation
.
Hence, assuming the ambient temperature of the glass is
and the elapsed time
we have:

Answer:
0.047619
P.S. do you need to round?
Answer:
a) cos
b) sin
c) tan maybe?
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
Answer:
$2.6
Step-by-step explanation:
firstly we find percentage of tax .
(16/400) * 100
= 16/4
= 4 %
now ,
so 4% of 650
= (4*650)/ 100
=260/100
= $2.6