Find the matrix product, if possible.

A.
B.
C.
D. Does not exist
Answer: B
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Find the probability.A committee of 11 members is voting on a proposal. Each member casts a yea or nay vote. On a random voting basis, what is the probability that the proposal wins by a vote of 7 to 4?
A.
B.
C.
D.
Find all integer square roots of the given number, if possible.100
A. No integer square roots B. 10 C. 50 D. -10,10
Provide an appropriate response.In solving a system of three equations in three variables, it is impossible to eliminate two variables. Thus, the the final step yields the following equation:x = y + 1.How many solutions does this system have? Explain geometrically.
What will be an ideal response?
Find the equation of the parabola passing through the given points.
?
,
, and
?
A. ?
B. ?
C. ?
D. ?
E. none of these