If yz = 0.7, what is the measure of α to the nearest degree?

The graphs are not typed

Did u want to find the value of x?

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