In a farm, there are 27 horses and 39 cows. How many ways would there be to choose 3 horses?

What is the value of the expression "two less than six times the diffrence of a number and five" when n = 9?

F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright

If chord ab is congruent to chord cd, then what must be true about ef and eg?