TU 499
YA
Triangle ABC is isosceles.
CA and CB are equal.
AB is parallel to the x-axis.
C (7,7)
a) Work out the coordinates of A.
b) Given that BC = 5 cm,
work out the perimeter of the triangle.
A
B (10,3)
cm
O​

Think of it as five or above give it a shove. change the 5 or above to the right to a zero and add one to the number on the left.

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