X varies inversely as y/z. x=27 when y=9 and z=2​

Is there an x intercept in the equation 60*1.15^x

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.