Find the special products using patterns.(5m - 4w)(5m + 4w)
A. 25m2 + 40mw - 16w2
B. 25m2 - 40mw - 16w2
C. 5m2 - 4w2
D. 25m2 - 16w2
Answer: D
Mathematics
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Solve the problem.The printed matter on a 12-cm by 24-cm page of a book must cover 160 cm2. If all margins are to be the same width, how wide should they be?
A. 3 cm B. 2 cm C. 1 cm D. 4 cm
Mathematics
Identify the conic section represented by the equation.7y2 - 4x + 42y - 61 = 0
A. hyperbola B. ellipse C. circle D. parabola
Mathematics
Perform the indicated operation and simplify. Write the answer in the form a + bi.(7 - 5i) + (9 + 8i)
A. -16 - 3i B. 16 - 3i C. 16 + 3i D. -2 + 13i
Mathematics
Given the values of x and y, find an equation of variation in which y varies directly as x.y = 21, when x = 3
A. y = 8x
B. y = 
C. y = 7x
D. y = 21x
Mathematics