If side a = 5 and side c = 8, what is side b?
a. 9.0
b. 6.24
c. 7.68
d. 13.27
e. 3.0
b. 6.24
Mathematics
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 
A. 
; 
B. - 
; - 
C. 
; 
D. - 
; - 
Mathematics
Solve the problem.A spherical water tank with an inner radius of 7 m has its lowest point 1 m above the ground. It is filled by a pipe that feeds the tank at its lowest point (see figure). Neglecting the volume of the inflow pipe, how much work is required to fill the tank if it is initially empty? Express the answer in terms of ?. 
A. 
? J
B. 
? J
C. 
? J
D. 
? J
Mathematics
Find the value. 
A. 11.879 B. 10.343 C. 10.274 D. 10.406
Mathematics
Evaluate the radical function. If the function value is not a real number, state so.If H(x) = 
, find H(-9.5).
A. -15 B. -5 C. -41.7 D. 5
Mathematics