Solve the problem.From April through December, the stock price of QRS Company had a roller coaster ride. The chart below indicates the price of the stock at the beginning of each month during that period. Find the average rate of change in price per month between June and September. Round to the nearest cent. 
A. $7.33 per month
B. $11.00 per month
C. -$11.00 per month
D. -$7.33 per month
Answer: A
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Solve the problem.A corporation's bank account has $9681 in it when the treasurer writes checks for $117, $2276, and $659. Then deposits of $5170 and $2498 are made. How much is in the account? Is it overdrawn?
A. -$5065, yes B. $14,956, no C. $5065, no D. $14,297, no
Solve the problem.The volume of wood in a tree varies jointly as the height of the tree and the square of the distance around the tree trunk. If the volume of wood is src="https://sciemce.com/media/4/ppg__sas0515192236__f1q49g5.jpg" alt="" style="vertical-align: -4.0px;" /> around the trunk?
A. 89.64 ft3
B. 84.64 ft3
C. 80.64 ft3
D. 72.64 ft3
when the height is 
and the distance around the trunk is 
what is the volume of wood obtained from a tree that is 
tall having a measurement of
Give a verbal representation for the given function. f(x) = 
+ 19 . Let y = f(x).
A. To obtain y: Multiply x by 3, then add 19 to the result. B. To obtain y: Add 19 to x, then divide the result by 3. C. To obtain y: Multiply x by 19, then divide the result by 3. D. To obtain y: Divide x by 3, then add 19 to the result.
Solve the system using matrices. If there is no solution or if there are infinitely many solutions and a system's equations are dependent, so state.
A. {(1, -2, 2)} B. infinitely many solutions; dependent equations C. no solution or ? D. {(2, -2, 1)}