Answer true or false.If the two equations in a system of linear equations are added and the result is 
the system has no solution.
A. True
B. False
Answer: A
Mathematics
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Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 104
B. 26
C. 52
D. 
Mathematics
Perform the indicated operations. Write the result in the form a + bj.(3 + 
)(-9 - 
)
A. -27 - 20j
B. -7 + 21j
C. -7 - 21j
D. -47 - 21j
Mathematics
Multiply the binomials.(3x2 + 4)(5x - 7)
A. 15x2 + 20x - 28 B. 15x3 - 21x2 - 20x - 28 C. 15x3 - 21x2 + 20x - 28 D. 15x3 - 28
Mathematics
Solve.The area of a square is, numerically, 140 more than its perimeter. Find the length of a side.
A. 56 units B. 392 units C. 14 units D. 98 units
Mathematics