What is the point of intersection when the system of equations below is graphed on the coordinate plane? -x+y=4
6x+y=-3

A. (1, -3)
B. (-1,3)
C. (1,3)
D. (-1, -3)

Is the orthocenter of a triangle on the inside ?

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?