D. 21cm because you divide all sides by 2 then get your slope form and multiply by seven
Answer:
h
Step-by-step explanation:
h
Answer:
just a
Step-by-step explanation:
because if you do anything times by zero, it is zero.
Hey there!
The answer is 
We will start by forming an equation to solve this.
So we are starting with a number,
, then doubling it and adding
, which gives us 25.
So:

Now we solve this equation:



Have a super awesome day!
First of all, we know that a professional volleyball player can jump an average of 2.5 times higher than the average person which means that the player could jumps 2.5 times higher than the normal do. For example, if the normal people jumps 3 inches height, the professional player could jumps 2.5(3)=7.5 inches height. In this case, if an an average person can jump 2x inches high which leads to that the professional player could jumps 2.5(2x) higher. As a result, C is your final answer. Hope it help!