1. The top of a kite is shown below. What is the
value of x? (Example 1)
X
85
40

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho

1/b^3m^3               i don't know why you couldn't do it yourself its not that hard