Solve the problem.Does the commutative property of multiplication, A × B = B × A, hold for matrices A and B? A =
, B = 
A. Yes
B. No
Answer: B
Mathematics
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = -6 and x = 6. The cross sections perpendicular to the x-axis between these planes are squares whose diagonals run from the semicircle y = - to the semicircle y =
.
A.
B.
C. 1152
D. 576
Mathematics
Solve the equation.39t - 6 = 7t + 14
A.
B.
C.
D.
Mathematics
Graph the function.f(x) =
A.
B.
C.
D.
Mathematics
Use the vectors ,
to find the indicated quantity. State whether the result is a vector or a scalar.
Mathematics