Select the correct answer from each drop-down menu.

In the diagram, PN is the perpendicular bisector of AB and the angle bisector of ∠CPD.

sin ∠BPD = , and cos ∠CPN = .

1. cos x, cos y, cos(x-y), cos(x+y)
2. sin x, sin y, sin(x+y), sin(x-y)

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?