100$ because the income you have to earn is 400$, right? If so then 100 * 4 give you 400.
area of a circle is PI x r^2
2 = d/2 = 5.4/2 = 2.7 cm
using 3.14 for PI
3.14 x 2.7^2 = 22.89 square inches
360 degree in a circle, shaded area is 180 degree, which is 50%
so 22.89 x .5 = 11.45 cm^2
#22 is Ian. #23.a. is 77%. b. is Yes. c. is 16.
Y= (2×2)- 4 +3/4 = 12/4 or 3 that I'd the best of my
