The mean is the average so 180/50 = 3.6 therefor the mean of each donation from each sponsor is £3.60
Photo math is charging? We don't need it. We factor the difference of two squares.

Answer: 5t-50
I believe the answer is a 20% increase because 12-10 equals 2. there is a 2 record difference so 2 out of 10 is 1/5 of the whole, but you have to convert the numbers and 1/5 of the whole of 100 is 20. sorry if that didn’t make much sense
Answer:
x=3
Step-by-step explanation:
the sides MJ and MK should be equal so 12x-24 = 4x
if you isolate x you get 3