Plz answer them all yes Or no

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1