Evaluate the following expression.
2-2
a0

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Which of the following best describes the figure?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)