You have to plug in 7 for f and 8 for k making it look like -5(7)-2+8-3(8), now multiply to get the further more, -35-2+8-24, now add or subtract to get -53
Hope this helps
Answer:
Angle E has 
Step-by-step explanation:
we know that
Observing the figure, according to the protractor
Angle B has 
Angle C has 
Angle D has 
Angle E has 
Angle F has 
2x(2x + 5)
Hope this is the answer you're looking for (: