Answer:

Step-by-step explanation:
We need to find 
We know that √-1 = i
Adding -49 and -4 and solving

Since 53 is not a perfect square so our answer is:

Answer:
5/9 of 90 = (5/9)(90) = 50
Step-by-step explanation:
The temperature in London at 2pm is 14°C
we can always find the slope of any line by simply using two points on the line, say let's use (3,4) and (-1,2)
