Answer:5 min I think
Step-by-step explanation: 5 min I think
<h3>Answer</h3>

<h3>Explanation</h3>
By the product rule
, we have

By the chain rule:

By the power rule:

thus

Nothing to do to simplify any further, other than factoring out
.
Answer:
5. 9 8. 
Step-by-step explanation:
a²+b²=c²
so for #5 12²+b²=15²
144+b²=225 (subtract 144 from both sides)
b²=81
b=9
For #8
9²+b²=11²
81+b²=121 (subtract 81 from both sides)
b²=40
b=
=

Answer:
C
Step-by-step explanation:
since we're being told to convert the ratio to fraction then it is C. note that 4 ratio is also the same as dividing 4 by 6
Answer:
I think it might be data and range
Step-by-step explanation:
the answer is at the top