A waterfall has a height of 1700 feet. A pebble is thrown upward from the top of the falls with an initial velocity of 24 feet per second. The height of the pebble h in feet after t seconds is given by the equation h=-16t^2+24t+1700. How long after the pebble is thrown will it hit the ground?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

(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.

Which of the following graphs could represent a quartic function?