Multiply.(9x3)(8x2)
A. 72x5
B. -72x5
C. -72x6
D. 72x6
Answer: A
Mathematics
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Use the substitution formula to evaluate the integral.
A. - 
B. - 
C. 
D. 
Mathematics
Write the system
?
?
as a matrix equation AX = B, where A is the coefficient matrix of the system, X is a column matrix of variables, and B is the column matrix of constants. Multiply each side of the equation on the left by the matrix inverse of A to obtain an equivalent system of equations and solve it.
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Please enter your answer as an ordered pair in the form (x, y).
What will be an ideal response?
Mathematics
Find the value of the expression using the given values.
?x = -8, y = 7
A. 1 B. 15 C. -15 D. -1
Mathematics
Multiply using the FOIL method.(x + 8y)(x + 6y)
A. x2 + 14xy + 14y2 B. x2 + 14xy + 48y2 C. x + 14xy + 48y D. x2 + 11xy + 48y2
Mathematics