X is a binomial variable with and . Compute

style="vertical-align:middle;" />. Round your answer to five decimal places.
?

A.
B.
C.
D.
E.

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Answer: A

Mathematics

Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this. 9x - 7y = 28-7x - 5y = 20

A. (-1, -3) B. (0, -3) C. (0, -4) D. No solution

Solve the equation by completing the square.x2 + 5x - 5 = 0

A.
B.
C. {-5 - 3, -5 + 3}
D.

Solve the problem.A rectangular space of 252 square feet is allocated for the living and dining areas in an apartment. Find the width of the square living area given that the width of the dining area is  

A. 21 ft B. 14 ft C. 11 ft D. 12 ft

Solve.A box is made from a rectangular piece of metal with length 10 inches and width 6 inches. The box has no top. Find a polynomial that gives the volume of the box for a given x.

A. 4x3 - 32x2 + 60x B. 4x3 + 32x2 + 60x C. 4x2 - 32x + 60 D. 60x