Answer:325,000
Step-by-step explanation:
4 gets rounded up to 5 because of the 6 next to it.
Answer:
6.75
Step-by-step explanation:
First, I just gave you the answer.
Second, just use it.
If you don't know the derivative of the inverse of sine, you can use implicit differentiation. Apply sine to both sides:

(true for <em>y</em> between -π/2 and π/2)
Now take the derivative of both sides and solve for it:




Answer:
$13.95
Step-by-step explanation:
You need to multiply the 5 notebooks with the costs of each notebook, which gives you the total costs before tax.