Hi I would love to help but the picture is black
Hello!

Explanation:
↓↓↓↓↓↓↓↓↓↓↓
First this problem it should be the group like terms.

Then you add similar elements.


You can also add or subtract by the numbers.


Answer⇒⇒⇒3d+9
Hope this helps!
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-Charlie
Answer:
a) r = 5
b) false
Step-by-step explanation:
study about GP
Answer:
1)0.5
2)0.25
3)0.083
Step-by-step explanation:
1 is just 3/6
2 is 3/6*1/2
3is 1/6*1/2
Integers are positive and negative whole numbers no fractions or decimals.
Real numbers do have fractions and decimals that integers do not.