The equation 4x - 45 = y is used to find your profit, y, in dollars from buying $45 of
supplies and washing cars for $4 each. What does the x stand for?

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.

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.

87.5% , 100% , 83.33 , 93.33% , 100% , 82.5% are all the academic points i've gotten this quarter. what's my final grade?