Help here please.

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Question 1 In triangle ABC, X is the centroid. If CW = 15, find CX. X C O 10 O 15 O 5 O 8\fQuestion 3 In triangle ABC, X is the centroid. If XZ = 3, find AZ. W N O 8 O 12 O 6 O 9Question 4 Is AB an altitude, a median, or neither? A O Altitude O Not enough information O Neither O MedianQuestion 5 Is AB an altitude, median, or neither? A O Altitude O Neither O Not enough information O Median\f\fQuestion 8 Name an altitude of triangle ABC. B H G O IH O AG O CJ O AHQuestion 9 Is AB an altitude, median, or neither? A 2 8 3 O Median O Neither O Not enough information O AltitudeQuestion 10 What is the best description of P? M O N O centroid O circumcenter O incenter O orthocenter