[angles question]
me on all these questions and explain. i got so confused and it doesn't make sense to me.

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

Graph the line with the given slope m and y-intercept b. m=-3,b=1