If 5 ears of corn cost $1.50 & 8 cost 2.40. what is the constant?

So me with this math problem. find the value of x the table shows the masses of 50 eggs. mass: 40-44 eggs: 6 mass: 45-49 eggs: x mass: 50-54 eggs: 12 mass: 55-59 eggs: 10 mass: 60-64 eggs: 7 mass: 65-69 eggs: 2 you!

41/17 as a decimal rounded to the nearest hundredth

Factor the polynomial expression x6 – x3 – 20