In AJKL, j = 17.2 cm, ZL=74º and ZJ=899. Find the length of 1, to the nearest 10th of a centimeter

Elijah brought a total of 16 pounds of peanuts and cashew nuts and paid $49.50. if peanuts cost $2.75 per pound and cashew nuts cost $3.25 per pound, how many pounds of cashew nuts did he buy?

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

Which expression is not a polynomial?