Provide an appropriate response.Find the length of X in this truss design. 
A. 8.4 ft
B. 9.8 ft
C. 6.9 ft
D. 17.1 ft
Answer: A
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Find the volume of the indicated region.the region that lies under the plane 
and over the triangle bounded by the lines 
, 
, and 
A. 67 B. 65 C. 55 D. 77
Find the sum of the n terms of the indicated geometric sequence with the given values.a1 = 
, r = 
, n = 5
A. 
B. 
C. 341
D. 
Estimate the value of the quantity.The table gives dye concentrations for a cardiac-output determination. The amount of dye injected was 
Plot the data and connect the data points with a smooth curve. Find the area under the curve using rectangles. Use this area to estimate the cardiac output.
Dye concentration (mg/L)
Time (sec)
A. 18.9 L/min B. 9.4 L/min C. 381.6 L/min D. 0.2 L/min
Divide.
A. 815 R1 B. 816 C. 815 R7 D. 815