Answer
1 is the second option, 2 is the third option
Step-by-step explanation:
for the first one divide both sides by 7 giving you z < -4
since z is less than the arrow will go to the left and will start at -4, but the will be an open circle since z is not equal to -4 answer b
for the second
it is 6/20 or 3/10
3/10 is 30% so answer c