The life span of a dog is normally distributed with a mean of 12.5 years and a standard deviation of 2 years. Estimate the probability that a dog’s life span is between 10.5 and 14.5 years.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Identify one charcteristic of exponential growth

(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.