Given:
a = 2 and b = -2.
To find:
The value of
.
Solution:
We need to find the value of expression
at a = 2 and b = -2.
Substituting a = 2 and b=-2 in
, we get




Therefore, the value of expression
at a = 2 and b = -2 is 20.
Answer:

Step-by-step explanation:
Circumference of a circle is equal to:




Independent variable - represents a quantity that is being manipulated
dependent variable- represents a quantity whose value depends on how the independent variable is manipulated.
Answer:
d) x = 2
Step-by-step explanation:
3(x - 6) + 3 = -9
<em>open the parenthesis</em>
3x - 18 + 3 = -9
3x - 15 = -9
<em>add 15 to both sides of the equation</em>
3x - 15 + 15 = - 9 + 15
3x = -9 + 15
3x = 6
<em>divide both sides by 3</em>
3x/3 = 6/3
x = 6/3
x = 2
Answer: x = 9
Step-by-step explanation: