Find the length of the curve with the given vector equation.r(t) = 3ti + j + k; -9≤ t ≤ -6

Solve the problem.A 150-lb sign is hanging from the end of a hinged boom, supported by a cable inclined at 36° with the horizontal. Find the tension in the cable and the compression in the boom rounded to the nearest pound.

True or False:If  the and , the appropriate decision is to REJECT the null hypothesis.

Find the triple scalar product (u x v) ∙ w of the given vectors.u = -5i – 3j + 4k; v = 5i – 3j + 8k; w = 9i – 5j – 4k

Solve the problem.A 450-lb sign is hanging from the end of a hinged boom, supported by a cable inclined at 48° with the horizontal. Find the tension in the cable and the compression in the boom rounded to the nearest pound.

Short essays: For this exam redo, you will need to answer all six of these questions for full credit. Each question is worth up to 6 points.

Sometimes a person’s self-esteem does not match reality. Describe an example of how a psychological disorder can affect self-esteem (I have mentioned examples from my work as a therapist in class). Make sure to say what disorder or problem the person has and in what way their self-esteem differs from what an outsider would say about them.

During what age range is brain growth the fastest? At what age does the brain finish pruning the prefrontal cortex? 

Which type of Aortic dissection carries a worse prognosis?

Under optimal foraging theory, an individual will spend the greatest time foraging in an area that has ________.