Lawrence is testing how quickly water with baking soda freezes. he adds water with baking soda to one ice tray and plain water to another ice tray. he places each tray in the freezer and records the time when each one starts to freeze. what is the treatment in this experiment?

water
baking soda
freezer
ice tray

Which expression is equivalent to 5r674 pression is equivalent to see lo 5r614) 4r322,4 ) 5 ( 2 5t5 |

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

(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.