To solve 35-19, jack used 35-20 what did he do next

The area of square garden is 300m squared. how long is the diagonal?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)