Q1: In triangle ABC, angle B=90, BC=100cm, AB=50cm. Find AC? Q2: In triangle XYZ, angle Y=90, XY=50, YZ=60. Find XZ?

What is the missing constant term in the perfect square that starts with x^2 -20x

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

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)