Solve.The total load T in pounds carried by a single floor joist is given by T = (WD + WL)dL, where WD is the dead load of the floor, WL is the live load, d is the center-to-center distance between the joists, and L is the length of the floor. Find T when WD = 12 lb/ft2, WL = 50 lb/ft2, d = 1.8 ft, and L = 10 ft.
A. 1116 lb
B. 912 lb
C. 986 lb
D. 1180 lb
Answer: A
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A. 
B. 
C. 
D. 
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Solve the exponential equation 
algebraically. Approximate the result to three decimal places.
a. 
b. 
c. 
d. 