Please help quick please

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)