Answer:
0.35
Step-by-step explanation:
To find the mean you add all the numbers up and you divide that answer by how many numbers you have used to add.
2*a+5-(9*a-16)=0 witch equals <span> a=3</span>
Answer:
-1
Step-by-step explanation:
= 
= 
= -1
-0.5 < -0.2,
because I need more characters
1. 7x + 9 = 48
7x = 58 - 9
7x = 49
X = 7
