Mike has a collection of 16 antique tin toys, including 2 airplanes. if mike randomly selects a toy, what is the probability it will be an airplane? (write the probability as a fraction in simplest form) a) 1 2 b) 1 4 c) 1 8 d) 1 16

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

What is the length and width of a 84.5 square foot rug? will mark

(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.