6. Zarah keeps RM80 in her 'Giant Fund' at the end of the first month and continues saving every month, RM10 more than the previous month.

Ali however, keeps RM100 in the first month in his 'Lion Fund and

continues saving 5% more than the previous month.

(a) Just after Zarah's RM280 deposit, determine the number of weeks

that she has saved the money.

(b) How much is in Ali's 'Lion Fund' after 20 months?

Can someone help me?

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2