Write an equivalent expression using a commutative or associative law, as indicated.7x; commutative
A. -7
B. 7 + x
C. 
D. x7
Answer: D
Mathematics
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Solve the problem.Let Vt be the volume of the tetrahedron bounded by the coordinate planes and the plane 
, and let Ve be the volume of the ellipsoid 
. Find the quotient 
.
A. 
B. 
C. 4?
D. 8?
Mathematics
Simplify the expression.-34
A. -12 B. -81 C. 81 D. 1
Mathematics
Solve the problem.Jay drove 316 kilometers at the average rate of 79 kilometers per hour. How long did the trip take?
A. 3 hr
B. 5 hr
C. 4 hr
D. 
hr
Mathematics
Solve the equation.11x = 6 + 10x
A. {6} B. {7} C. {16} D. {-6}
Mathematics