Use the distributive property to rewrite the expression.7(4 + 3)
A. 7 ? 4 + 3
B. 7 ? 4 ? 3
C. 7 + 4 + 3
D. 7 ? 4 + 7 ? 3
Answer: D
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Perform the following operations. Express in scientific notation.
a. (52)2 b. (33)2 ÄÄÄÄÄ (42)2
Solve.A ball is thrown downward with an initial velocity of 14 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. 1.4 sec B. 2.4 sec C. 1.5 sec D. 1.3 sec
Add. Do not use a number line except as a check.- 
+ 
A. 
B. - 
C. - 
D. 
Provide an appropriate response.The word "difference" in a problem generally means to use division to find the unknown value.
A. True B. False