Find the perimeter of the figure if 
, 
.
?
?
A. 39 in.
B. 48 in.
C. 28 in.
D. 38 in.
E. none of these
Answer: B
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 5x2, y = 0, x = 3
A. 
?
B. 810?
C. 90?
D. 
?
Factor the trinomial by grouping.8a3 + 10a2b - 12ab2 - 15b3
A. (8a2 - 3b2)(a + 5b) B. (2a2 - 3b)(4a + 5b) C. (2a2 - 3b2)(4a + 5b) D. (2a2 + 3b2)(4a - 5b)
Provide an appropriate response.How do you find Dz when solving a system of equations using Cramer's Rule?
A. Replace the x-column and y-column values with the constant-column values. B. Replace the z-column values with the constant-column values. C. Replace the x-column values with the constant-column values. D. Replace the y-column values with the constant-column values.
Find the indicated trigonometric function for ?, given that ? is an angle in standard position with the terminal side defined by the given point.(21, 28); find csc ?
A. 
B. 
C. 
D. 