Please help me turn polar equation 4r=cscθ to rectangle coordinates

Find percent notation for 0.008 0.008=

Solve: 3x+y=6 4x-2y=18 show all work !

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 ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.