Answer yes or no.Is 7 a solution to the equation 18 + x = 11?

A. Yes
B. No


Answer: B

Mathematics

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Find v ? u.v = 7i - 4j and u = -9i + 9j

A. -36 + 63
B. (7 - 9)i + 5j
C. -36i - 63j
D. -36 - 63

Mathematics

Solve the problem.The kinetic energy K of an object with mass m and velocity v is  How is dm/dt related to dv/dt if K is constant?

A.  = - 2mv3
B.  = 
C.  = - 
D.  = - 

Mathematics

Find the measures of the following angles in the rhombus shown.



(a) ?CBD
(b) ?CAD

Mathematics

Simplify the expression.cos  [csc x - sin x]

A. sin2x B. cos2x C. tan x D. sin x - csc x

Mathematics