Solve the triangle. B = 36°, a = 38, c = 18 b ≈ 41.7, C ≈ 28.2, A ≈ 115.8 b ≈ 25.7, C ≈ 24.2, A ≈ 119.8 b ≈ 25.7, C ≈ 116.8, A ≈ 27.2 b ≈ 41.7, C ≈ 24.2, A ≈ 119.8

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step-by-step explanation:

x^2 + 81

we can factor this using difference of square binomials.

rewrite the equation:

x^2 - (-81)

factor:

(a^2 - b^2) = (√a^2 + √b^2)(√a^2 - √b^2)

(x^2 - (-81) = (x + √-81)(x - √-81)

we can remove the - from under the radical by multiplying it by i.

(x^2 - (-81) = (x + i√81)(x - i√81)

(x^2 - (-81) = (x + 9i)(x - 9i)

we can check our answer by using foil:

x^2 - 9ix + 9ix - 81i^2

x^2 - 81^2

i^2 = -1

x^2 + 81

the best estimate is 3 because   8 can only go into 24 3 times

a. true

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