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The average age of a group of \(10\) doctors is \(40\) years. If \(5\) additional doctors are added to the group, the average age of the \(15\) doctors is \(46\) years. What is the average age of the \(5\) additional doctors?
A rectangular prism is shown below.
What is the surface area of the box?
An electronics store had stereos on sale at \(30\)% off the retail price. Charlie is eligible for an additional \(10\)% employee discount off the sale price. What is the final price of a stereo originally priced at \($120\)?
The histogram below shows the number of sit-ups that students were able to do during the \(1\)-minute sit-up challenge.
Which of the following could be a range in the number of sit-ups?
At the beginning of the week, Kevin’s checking account had a balance of \(-$450\). On Monday morning, he deposited a check for \($125\). On Tuesday morning, he deposited another check for \($225\). What was the balance of Kevin’s checking account after the second deposit?