PLS HELP ASAP PLSSS IT DETECTS IF ITS RIGHT OR WRONG HELPPP

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

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.