Factor completely 15x2 - 6x + 5xy – 2y

The chart below shows the distribution of weeds in yard

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)