Find v ? u.v = 7i - 7j and u = -3i + 3j
A. -21i - 21j
B. 0
C. 4i - 4j
D. -42
Answer: D
Mathematics
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Solve the system of equations.
A. {(x, y, z) 
}
B. ?
C. (3, 2, 10)
D. (2, 3, 11)
Mathematics
Provide an appropriate response.Use the FOIL method to show that (2x + 4)(x - 5) is 2x2 - 6x - 20. If you were asked to completely factor 2x2 - 6x - 20, why would it be incorrect to give (2x + 4)(x - 5) as your answer?
What will be an ideal response?
Mathematics
Subtract the polynomials. Express your answer in standard form.9z - (10 - 4z)
A. 5z + 10 B. 13z + 10 C. 5z - 10 D. 13z - 10
Mathematics
Solve the inequality.
< 0
A. 
B. 
C. 
D. 
Mathematics