Robin randomly selects a number between 1 and 20. what is the probability that the number selected is the square of a natural number?
a.1/2
b.-3/20
c.-3/10
d.1/5
e.1/3

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t

If you could answer these your a life saver

(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.