Simplify: 4.1c-(3.2c)-0.1c

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

Ten times the square of a non-zero number is eqaul to ninety times the number

Find the zeros of each function. f(x) = 6x^2 - 7x - 20