Add polynomials and applications of geometry

Add to Simplify:
 (4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5
• 3x³ + 8x + 5
• 3x² + 5
• 7x³ + 8x + 5

Find the perimeter.

• 39x - 7

• 38x + 7

• 39x + 7

• 38x -9

Find the perimeter.

• 5x + 2

• 10x + 4

• 10x - 4

• 5x - 2

• 3x³ +8x

• x³+3x² +8x

• 2x² +8x

• x³-3x³ +8x²

• 3y⁴+3y³+7y²+4y

• 3y⁴+3y³+7y²+4y+6

• 3y⁴+3y³+7y²+6^

• 3y⁴+3y³+7y²+4y-6^

• 23x^5_11x

• -5x⁵-x

• 23x⁵+11x

• 5x⁵+x

• -10x²-9

• 10x²-9

• -5x²-2x-6

• -5x²-4x-9

Find the perimeter.

• 1.5x + 4.5

• 3x + 8

• 3x + 9

• 1.5x + 4

Simplify (4x³ + 5x² + 3x) + (-2x³ +1x² + 6x)

• 2x³ - 6x² - 9x

• 2x³ + 6x² + 9x

• -2x³ - 6x² + 9x

• 2x³ - 6x² + 9x