Answer:
negative 8
Step-by-step explanation:
First, let's turn all the numbers into improper fractions so that we can find the answer easier.
-2
= r - 
-
= r - 
Now we have to isolate 'r'.
First, we have to make sure that the variable is on one side and all the numbers are on the other side.
To do this, we have to add
to both sides.
In order to do this, we need to ensure that both fractions have a common denominator.
-
= r - 
Ensure that the denominators are the same:
= r - 
+
= r
= r
Good luck!
Answer:
Option B.
Step-by-step explanation:
The given expression is

We need to find an expression which is equivalent to the given expression.
Combine like terms.


The simplified form of given expression is 8p-9. So, option A is incorrect.
In option B, the given expression


Using distributive property, we get

Combined liker terms.


It is same as the simplified form of given expression.
Therefore, the expression 3(p+(-3))+5p is equivalent to the given expression and correct option is B.
Answer:
V (volume) = 30
Step-by-step explanation:
V=whl=2·3·5=30