How can you determine if two ratios are equivalent

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

Which value is not a solution of 8x^3 – 1 = 0

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.