The symbol Mu represents the _______.

Write the sum using summation notation, assuming the suggested pattern continues. 3 – 15 + 75 – 375 + … (5 points)

Find the fifth roots of 243(cos 240° + i sin 240°). (5 points)

When aligning the body in a neutral spine position which of the following cue should not be followed?  

Find the limit of the function by using direct substitution. (6 points)  

Find the center, vertices, and foci of the ellipse with equation 4×2 + 9y2 = 36. (5 points)

Find the first six terms of the sequence. a1 = -7, an = 2 • an-1 (5 points)

Cantilever beams loaded with only gravity loads develop positive bending moments throughout the span.

Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = -1 – 3 sin θ (5 points)

You are considering a beam design that has dimensions of b = 14 in., h = 24 in., and d = 21.5 in. The beam is singly reinforced with all of the reinforcement in a single row. The concrete strength is 4,000 psi, and the yield strength of the reinforcement is 60,000 psi. What cross-sectional area of reinforcement is needed to achieve a strain in the reinforcement of 0.0075?