What is the solution to this equation? 32 + 12 = 39

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers