The lake level was 42.5 feet in january. after the spring rain, the lake level rose 3 1/5 feet. what is the lake level now, in fraction form?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

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.