Answer:
79 degrees
Step-by-step explanation:
PQU is a straight line, so
. This is also the sum of the four smaller angles. We can subtract 34+37+30 from 180 to get that 
(if right pls give brainliest :) )
1= Commission not sure though
2= percentage of change
3= percent
4 looks like 1 , I don't know
5= markup
6= discount
I'm not sure how you obtained -5 as your answer but this is the mathematical explanation. hope this helps!
Answer:
x³-2x²-22x-21
Step-by-step explanation:
(x+3) (x²-5x-7)
x³-5x²-7x+3x²-15x-21
x³-2x²-22x-21