What is the greatest common dactor of 8x and 40

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

If angle 2=3x +1 and angle 3=2x +4what is angle 2

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)