it would take them 5 hours and 70 seconds
Answer:

Step-by-step explanation:

Put n = 2 and next n = 3 to the recursive formula:

Answer:
The answer would be 7(2x+3y+z) or 7(2x+3y+1z) (both would be considered as correct)
Step-by-step explanation:
Ertex angle:: x degrees
<span>base angle: x+15
</span>
Answer:
each book was $16
Step-by-step explanation:
140-12=128 divided by 8 = 16
hope this helps!