If y varies inversely as x and y=2 when x=6 find y when x=36

Find the solution of system of equation y= x-4 y=4x+2

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Which is the focus of a parabola with equation y2=4x