Answer:
4th option (sqrt(10))/2
Step-by-step explanation:

Answer:
5 dollars
Step-by-step explanation:
trust me
First you divide the smaller number by the larger number, to see how many of that number goes into the other:
45/50 = 0.9
The you times it by 100 to get the percentage:
0.9*100 = 90%
Hope this helps! :)
According to Order of Operations rules, we must multiply before adding or subtracting.
With this in mind, notice that the first operation is mult.: (-5)(-4) = +20.
At the end is another mult.: -4(6) = -24.
So, write -20 - 6 - 24. End result: -50