Answer:
It means multiple•
Step-by-step explanation:
In this exercise we have to use subtraction knowledge to calculate the final value of the equation, like this:
Letter C
<h2>What is subtraction?</h2>
It is a mathematical operation in which it is possible to find a quantity by decreasing one number by another, it is opposed to addition, being represented by the minus sign.
So make the calculus we have:
![y=x-7\\x=4\\y=4-7\\y=-3](https://tex.z-dn.net/?f=y%3Dx-7%5C%5Cx%3D4%5C%5Cy%3D4-7%5C%5Cy%3D-3)
See more about subtraction at brainly.com/question/4319655
Answer:
![\frac{a}{5}](https://tex.z-dn.net/?f=%5Cfrac%7Ba%7D%7B5%7D)
Step-by-step explanation:
That would be a divide by 5: ![\frac{a}{5}](https://tex.z-dn.net/?f=%5Cfrac%7Ba%7D%7B5%7D)
Answer:
81
Step-by-step explanation: A square has all sides the same so you just multiply 9×9
Have a great day and a awsome thanks giveing brake :)