Find the Area of a Circle with a radius of 7cm, give your answer correct to 2 decimal places.
$\sqrt{\81}$
xa + f2b _ abc3
x
5
+
y
z
=
k
400-500+50-50+100-5+10-5
81/2 x 4
factor: 64r^3-27
81/4
60-25=
solve tan^2 2x - 13sec2x =1
