# help me with algebra 9

 1. State the degree of the polynomial. xy + 3x2 â€“ 7 + x (Points : 4)

 Question 2.2. Arrange 2x2 â€“ 4x4 + 3 + 6x in standard form. (Points : 4)

 Question 3.3. Add and simplify. (2x2 â€“ 11x) + (3x2 + 10x â€“ 4) (Points : 4)

 Question 4.4. Subtract and simplify: (3x2 â€“ 6x + 7) â€“ (x2 â€“ 6x + 4) (Points : 4)

 Question 5.5. Multiply and simplify: â€“3x2y2 â€¢ y4x3 (Points : 4)

 Question 6.6. Multiply and simplify: 10x(6x2 + 7x + 9) (Points : 4)

 Question 7.7. Multiply and simplify: (3x + 2)(3x + 4) (Points : 4)

 Question 8.8. Determine if the expression is a polynomial. If so, classify it by its number of terms. 3x2 â€“ 5x (Points : 4)

 Question 9.9. Express the perimeter of the triangle as a polynomial.    (Points : 4)

 Question 10.10. Expand the squared binomial. (x â€“ 4)2 (Points : 4)

 Question 11.11. Use FOIL to multiply the two binomials. (b + 3)(b + 9) (Points : 4)

 Question 12.12. Find the volume of the box. Use the formula V = lwh.    (Points : 4)