Simplify the numerical expression.0.57 (0.2 + 0.8)
A. 0.6
B. 0.58
C. 0.57
D. 0.61
E. 0.55
Answer: C
Mathematics
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Find the exact value of y, or state that y is undefined.y = sec-1 
A. - 
B. 
C. - 
D. 
Mathematics
The following question refers to a country with five states. There are 240 seats in the legislature, and the populations of the states are given in the table below.
The standard quota for State A is
A. 427. B. 10.675. C. 11. D. 0.148. E. none of these
Mathematics
Evaluate using Table 1 or CAS.
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. (0, 11)
C. 
D. none
Mathematics