Use determinants to write the equation of the line that passes through the given points.
?
P(6, 6), Q(2, 5)
?

A.
B.
C.
D.
E.


Answer: C

Mathematics

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Solve the problem.The loudness of a sound can be approximated by the formula d = 10 log10 , where d is the number of decibels. The higher the value of d, the louder the sound. Find the number of decibels when  and 

A. 2 decibels B. 100 decibels C. 20 decibels D. 12 decibels

Mathematics

Find the product.(13csc ? - 7)(13csc ? + 7)

A. 169csc2? - 49 B. 169m2 + 182 csc ? - 49 C. 169m2 - 182 csc ? - 49 D. 169csc2? - 49 csc ?

Mathematics

Solve the inequality. < 0

A. x < 3, p > 6 B. 3 < x < 5, x > 6 C. 3 < x < 6 D. 3 < x < 5, 5

Mathematics

Identify the equation as either an identity or not.cos2x - sin2x = 1 - 2 sin2x

A. Not an identity B. Identity

Mathematics