1. If Mark drives for 4 hours at 60 miles per hour and then drives another 6 hours at 40 miles per hour, what is his average speed, in miles per hour,

1. If Mark drives for 4 hours at 60 miles per hour and then drives another 6 hours at 40 miles per hour, what is his average speed, in miles per hour, for the trip?

2. A 20% increase followed by a 25% increase is equivalent to what single percent increase?

3. By how many feet does the circumference of a circle increase if the radius is increased by 20 feet? Express your answer in terms of π.

4. Laura will have seven test scores at the end of the semester. Each of the scores is an integer less than or equal to 100. The first five scores are 80, 83, 87, 94 and 96. How many different values are possible for the median of Laura’s seven scores after she takes the last two tests?

5. The ratio of the measures of two supplementary angles is 1:4. What is the degree measure of the complement of the smaller angle?

6. Filipe rolls two standard, six-sided dice. What is the probability that he rolls a sum that is a prime number? Express your answer as a common fraction.

7. The difference between two numbers is 80% of the sum of the two numbers. What is the sum of the two numbers if the smaller number is 17?

8. Patio tiles are 12 inches by 18 inches. What is the smallest number of tiles that are needed to tile a patio that has an area of 10 feet by 12 feet?

9. The sum of a set of consecutive integers from –8 to n, inclusive, is 55. What is the value of n?

10. The numerical value of the volume of a cube is twice the numerical value of the cube’s surface area. What is the length of an edge of the cube, in units?