A number is chosen at random between 1 to 25. Find the probability of selecting a number less than eight

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

If value of cos330° is √3/2 then find tan165°.

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?