Need help to bring up my grade.

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Step-by-step explanation:

Substitute the initial value and successive values into f(x)

x₁ = 4( )² - 5 = (4 × ) - 5 = 1 - 5 = - 4

x₂ = 4(- 4)² - 5 = 4(16) - 5 = 64 - 5 = 59

x₃ = 4(59)² - 5 = 4(3481) - 5 = 13924 - 5 = 13919

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: