4. Jamal is fencing a rectangular field that measures 40 ft by 15 ft. How much fencing should he buy?

7. Find the prime factorization of the number 360.

8. Find the greatest common factor of 16, 12, and 100.

13. Find the least common multiple of 15 and 21.

18. Jacque earns $9.60 per hour (h). For overtime (each hour over 40 h) he earns $14.40 per h. If he works 52.5 h in a week, what pay should he receive?

19. A triangle has base 15 feet (ft) and an altitude of 8 ft. Find its area.

20. Add.

7 + 63.2 + 3.2 + 4.32 + 5.563

22. Write the ratio of 9 nickels to 3 quarters in simplest form.

25. On the blueprint of Lauren’s new office building, the scale is 4 in. equals 10 ft. What will be the actual length of Lauren’s office if it measures 8 in. long on the blueprint?

26. A state sales tax rate is 5.7%. If the tax on a purchase was $31.92, what was the price of the purchase?

27. The electricity costs of a businessincreased from $13,000 one year to $15,000 the next. To the nearest whole percent, what was the rate of increase?

28. If $8,700 is deposited into an account paying 6% interest compounded annually (at the end of each year), how much money is in the account after 4 years?

30. Complete the statement.

12 qt = ________ L

31. What was the meanpopulation of all inhabited areas except Asia in 1900?

Continent or Region Land Area

(1,000 mi2)

% of Earth Population

1900 Population

1950 Population

2000

North America 9,400 16.2 106,000,000 221,000,000 305,000,000

South America 6,900 11.9 38,000,000 111,000,000 515,000,000

Europe 3,800 6.6 400,000,000 392,000,000 510,000,000

Asia (including

Russia) 17,400 30.1 932,000,000 1,591,000,000 4,028,000,000

Africa 11,700 20.2 118,000,000 229,000,000 889,000,000

Oceana (including

Australia) 3,300 5.7 6,000,000 12,000,000 32,000,000

Antarctica 5,400 9.1 Uninhabited ? ?

World Total 57,900 1,600,000,000 2,556,000,000 6,279,000,000

32. Use the world population and land area table.

What is the total land area of Africa?

34. Find the five-number summary of the following set of numbers.

359, 257, 115, 267, 236, 406, 258, 231, 330

38. Evaluate |-15| – |-12|

40. The following scores were recorded on a 100-point examination:

95, 82, 86, 86, 85, 75, 65, 81, 98, 76, 69, 83, 93, 87, 97

Find the mean and medianfinal examination scores.

Finding prime factorization of several numbers, measures of centran tendency, percent of interest growth