The measure of a central angle is 3x + 18 and the measure of its arc is 147 which equation can you use to find the value of x

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

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?