6(x+xy)-5(y+2xy) how do i solve this problem?

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m