Help, i dont know any of this lol

Classify each polynomial by its degree and by its number of terms.

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Find the balance at the end of 4 years if 1000 is deposited at the rate of