answer:
d: 30
all angles in a triangle have a sum of 180 degrees. Just add 50 and 100 (so 150) and do 180-150=30.
Answer:
20/x
Step-by-step explanation:
speed = distance /time
x km/h is speed
20 km is distance
x= 20/t
t= 20/x
Answer:
Soccer practice started at 6:00, because 7:15 - 1:15 = 6:00
Answer:
12.90= .90+ 2x
12=2x
6=x
Each bag of books cost was $6