The prime factorisation forms of two numbers are 24 x 35 x 53 x 72 and 23 x 36 x 5 x 78.
(a) Find the HCF of these two numbers in prime factorisation form.
(b) Find the LCM of these two numbers in prime factorisation form.

Aline passes through 3,7 and 6,9 what equation represents the line

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )