The other two angles would also be 120 and 40 because the opposite angles of parallelograms are equal
Answer:

it seems like the first term is -64, so lets write the formula accordingly:
a_n = a1(r)^(n-1)
where 'n' is the number of terms
a1 is the first term of the sequence
'r' is the ratio
the ratio is
because -64 *
= 16 and so on...
the explicit formula is :
= 
For 0 minutes, it would be 0 minutes (obviously)
for 1 minute, it would be 3
for 2 minutes, it would be 6 pages
and finally, 3 minutes, will be 9.
to get the answers, you would just have to add 3, since every minute, nick reads 3 pages.
Answer: Your answer is 17/33! Hope this helps. If you need anymore help let me know!