Hi please help me with 6 and 7 also 8 for brainlst :)

Answer:
for 6 its M= -8/5 for 7 the slope is 5/4 and the y intercept is -2 and for 8 its 7=5x+1
Step-by-step explanation:
for number 6 you graph it for 7 the thing left to x is the slope and the number to the right is the y intercept and m stands for slope and b is the y intercept :)