What does the graph of 4 < n + 6 < 9 look like? a. open circles around –2 and 3 and the line shaded to the left of 3, infinitely b. open circles around –2 and 3 and the line shaded to the right of –2, infinitely c. open circles around –2 and 3 and the line shaded between the two numbers only d. open circles around –2 and 3 and the line shaded in opposite directions, infinitely

a. is correct

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step-by-step explanation:

answer is 8x+24

area of vanessa's patio = length × width

given, length = (3x² + 5x + 10)

width = (x² - 3x - 1)

area of vanessa's patio = (3x² + 5x + 10)(x² - 3x - 1)

= 3x²(x² - 3x - 1) + 5x(x² - 3x - 1) + 10(x² - 3x - 1)

= 3x⁴ - 9x³ - 3x² + 5x³ - 15x² - 5x + 10x² - 30x - 10

= 3x⁴ - 4x³ - 8x² - 35x - 10

hence, expression of vanessa's patio = (3x⁴ - 4x³ - 8x² - 35x - 10)