211 radians.
Q7. The figure shows a circle, centre 0, with radius 10cm. The lines XA and XB are tangents to the circle at A and B
respectively and angle AOB is
3
А
10 cm
op za rad
2.1
rad
3
X
B
a. Find the perimeter of the shaded region​?

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation:

the answer on ed. is:

c. "the graph of f(x) has exactly two x-intercepts."

hope i could someone! : )