Answer:
Im not good at these so maybe 105°? Sorry if its wrong
Step-by-step explanation:
The unit price is $6.25 because $43.75 divided by 7 is $6.25
Answer:

Step-by-step explanation:
you need to cross multiple
1 inch = 6 miles
4 inches = ? miles
1 = 6
2 = 12
3 = 18
4 = ?
A "derivative" is a rate of change.
The derivative of a plain old number is zero, since numbers never change.
Pi is a number. Its value never changes. Its derivative is zero.