The ratio of poor people to rich people in a town in the year 1990 was 6 to 1. The same ratio in the year 2000 was 10 to 3. Assuming that the population of the town remained the same, what would be the ratio of rich people in the town in 2000 to rich people in the town in 1990?

At Sing & Dance, customers can rent singing and dancing rooms. The cost for renting the singing room is $10 per minute and the cost for renting the dancing room is $20 per minute. Sienna rented the rooms for a combined total of 48 minutes and a total cost of $600. For how many minutes did she rent the singing room?

Two cubes with side lengths of 5 are placed adjacently as shown in the diagram below. What is the length of the interior diagonal of the newly formed rectangular prism?

\(y = 3x^2 -8x – b\)

\(y = -a\)

The above system of equations has exactly one solution. If \(a\) and \(b\) are positive constants, which of the following is true?

If \(k\) is a positive constant not equal to 1, which of the following could be a graph of \(y + x = k(x − y)\) in the \(xy\)-plane?

If the property \(Q = 6\) units, what is the ratio of \(R\) to \(P\) ?

In the figure above, a semicircle of radius \(r\) has a chord \(\overline{\text{CD}}\) that is parallel to diameter \(\overline{\text{AB}}\) and is \(\frac{1}{4}\) of \(\overline{\text{AB}}\). What is the distance between chords \(\overline{\text{AB}}\) and \(\overline{\text{CD}}\) in terms of \(r\) ?

One Gigabyte is 1024 Megabytes. A DVD can hold 4.7 Gigabytes of data. A floppy disc can hold 1.44 Megabytes of data. What is the maximum number of full floppy disks whose data will fit into one DVD?

A cab driver charges $5 for the first 0.75 miles, $8 for the subsequent 0.25 miles, and $2 for each additional mile. How many miles can you travel in the cab if you paid $50?

Two competitive swimmers tracked their training times for a week. Coach Martinez noted that Swimmer B’s average daily training time was 2 minutes less than Swimmer A’s average. What was Swimmer B’s Wednesday (n) training time in minutes?