Answer:
7x+59
Step-by-step explanation:
Add 5 and 54
You would do 78/4 which equals 19.5. Hope this helps!
Answer:
You can either choose B or D.
If n is rational, it means that

Therefore when we do n² we can write it as

Remember that the product of two integer numbers is also an integer, therefore we can guarantee that

Then we can confirm that n² is the quotient of two integers and the denominator is not zero, therefore, n² is always rational, it cannot be an irrational number
Answer: Top right and left are ACUTE, Bottom right is RIGHT, and bottom left is OBTUSE.