Multiply.(-4x4)(-3x4)
A. -12x16
B. 12x8
C. -7x16
D. -7x8
Answer: B
Mathematics
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Give an appropriate answer.Show that the function r(?) = 3 cot ? + 
+ 7 has exactly one zero on the interval (0, ?).
What will be an ideal response?
Mathematics
Refer to a triangle ABC.If A = 23.2° and B = 72.5°, find C.
A. 54.3° B. 174.3° C. 84.3° D. 264.3°
Mathematics
Use the distributive property to rewrite the algebraic expression without parentheses. Simplify.7(3x + 6 + 4y)
A. 21x + 6 + 4y B. 21x + 6 + 28y C. 21x + 42 + 28y D. 21x + 42 + 4y
Mathematics
Use a graphing utility to approximate the real solutions, if any, of the equation rounded to two decimal places.2x4 - 5x2 + 7x = 14
A. {-2.31, 1.69} B. {-2.32, 1.70} C. {-2.31, 1.70} D. {-2.30, 1.69}
Mathematics