Answer:
2a + 7
Step-by-step explanation:
-3a + 7 +5a
<em>subtract the negative 3 from the 5</em>
2a + 7
Answer: 4
Step-by-step explanation: Since the total number of games played in the graph is 12, if you half that and get six, you half the total number of wins as well and get 4. :]
Answer:
1. have se x
Step-by-step explanation:
x^2 = 81/100
Let's take the square root of each side
x = 0.9 and -0.9