What is the equation of the line that passes through the point (8,-4) and has a slope of 1/2

The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders