A ship near the shore takes two angular measurements to a lighthouse, as shown in the diagram. The ship travels 0.25 miles between the two measurements from point A to point B. How tall is the lighthouse (vertically from its base to its top)?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

(c) the diagram shows the first three shapes of a matchsticks arrangement. first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.