Given ∆ABC with vertices A(4,5), B(-4,6), and C(2,−6). Find the equation of the perpendicular bisector of BC .

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

What is the benefit of converting measures in a ratio to the same unit