The graph of f(x) = x^6 – 2x^4 – 5x^2 + 6 is shown below.

how many roots of f(x) are rational numbers?

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

(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.

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.