Sorry, but I don't really feel like doing all of them right now. Instead, heres a tool to help you out with that. Use the mixed numbers calculator and it'll simplify everything for you.
https://www.calculator.net/fraction-calculator.html
The answer is C Hope this helps!!
Answer:
last option bottom right
x can be equal or greater than -2
Answer:
Step-by-step explanation:
A =1/2 *h (x+y)
A =hx+hy/2
A*2 =hx+hy
2A =hx+hy
2A - hy = hx
(2A -hy)/h = x
Let's see if we can find a pattern:
Row number 1 has 
seats
Row number 2 has 
seats
Row number 3 has 
seats
Row number 4 has 
seats
Can you see the pattern? After 
rows, we have added 
seats.
So, the 60th row will have
