Answer:
7/4
Step-by-step explanation:
To isolate a+b, you must divide each side by 4. this gives us a+b=7/4.
4
7h-15h+40=-72
-8h=-32
h=4
#1 x<-14 #2 x> 1/2 (hope you get a good grade)
58 degrees
Answer: a