An organization has 7 female and 5 male members. A committee of four members is selected. How many ways can a committee be chosen if(a) there is no restriction on who can be a member.(b) all members must be female.(c) two members are male and two members are female.(d) the members are all female or all male.(e) at least three members are female.

What will be an ideal response?


(a)  495
(b)  35 
(c)  210 
(d)  40 
(e)  210

Mathematics

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A. (a) $402,000 (b) $231,000 (c)$197,900 B. (a) $384,000 (b) $231,000 (c)$197,900 C. (a) $491,000 (b) $231,000 (c)$197,900 D. (a) $509,000 (b) $231,000 (c)$197,900

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Solve the system using matrices.2x + y = 11-3y - 4z = 174x + 5y + 4z = 5

A. (5, 1, -4) B. (4, 1, -5) C. dependent system D. inconsistent system

Mathematics

Which of the following functions is represented by the graph below?

A. 2arccos x 
B. arcsin 2x
C. arccos (x + 1)
D. 2arcsin 
E. arccos 

Mathematics