(ii) If p = 5 and 9 a) If x = (a + 7) and y = (a - 7), show that a? = xy + 49

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

Which of the following graphs could represent a cubic function?