State the addition property illustrated by the given equation.0 + (-7516) = -7516
A. Commutative
B. Inverse
C. Associative
D. Identity
Answer: D
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Solve the problem.The velocity of a fluid flowing out of a tank through a small opening d ft below the surface is given by the expression 
. Simplify the expression.
A. 
B. 
C. 
D. 
Solve.A ball is thrown upward with an initial velocity of 28 meters per second from a cliff that is 
high. The height of the ball is given by the quadratic equation 
where h is in meters and t is the time in seconds since the ball was thrown. Find the time it takes the ball to hit the ground. Round your answer to the nearest tenth of a second.
A. 11.4 sec B. 7.8 sec C. 7.0 sec D. 7.4 sec
Find the distance between P and Q and the coordinates of the midpoint of the segment joining P and Q.
A. 2
; 
B. 10; 
C. 2
; 
D. 10; 
Simplify.5 - 
+ (
)2 ÷ 42
A. 21
B. 
C. 12
D. 