2a + 2b = c
Subtract 2a from both sides
2b = -2a + c
Divide both sides by 2
b = -a + (c/2)
Answer:
19 dollars per student
Step-by-step explanation:
The answer would be the first one.
Answer:
4
Step-by-step explanation:
t = d/r
t = 280/70
t = 4 hours
Answer:
Right angle
Step-by-step explanation: you take the 57% angle and ad that with
the 33% angle and you got a prefect 90% also known as a "Right angle"
