The total cost was 116% of the original bill;
Original bill was;

= <span>$22.5</span>
It is 2.56 because per pound equals the amount
Pi r^2 = area of a circle so therefore answer is 12.6cm^2
Two parallel lines A and B are crossed by another
line as shown in the attached figure. Angle 2 and 3 are equal, because they are
opposite angles, while angle 3 and 7 are also equal, because they are
corresponding angles, thus it is deduced that
angle 2 = angle 3
angle 3 = angle 7
So angle 2 = angle 7
<span>Hence fourth option is right.</span>