Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). 72
The measure of angle is 4. The measure of its reference angle is
and tan eis

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