Rex is four times as old as Ted. If the sum of their ages is 30, how old is Ted?
A. 5
B. 8
C. 10
D. 6
E. 12
On a real number line, x = -4 and y = 7. What is the length of the line XY?
A. 11
B. 3
C. - 11
D. 7
E. 10
Which of the following numbers has the greatest absolute value: 17, -9, 15.5, -20, 19?
A. -20
B. 19
C. 15.5
D. - 9
E. 12
A number is multiplied by 6 and then has 4 subtracted from it. The answer is 14. Which of the following equations matches these statements?
A. 14 = 4 - 6x
B. 4x – 6 = 14
C. 6x – 4 = 14
D. 6(x – 4) = 14
E. -6x = -14
Gerald received the following test scores in math class: 76, 86, 89, 81, and 99. What was Gerald's average test score, rounded to the nearest point?
A. 85
B. 88
C. 84
D. 87
E. 86
If Todd can type 60 words a minute, how long will it take him to type a 15,000 word document?
A. 2 hours and 45 minutes
B. 2 hours
C. 4 hours and 10 minutes
D. 4 hours and 30 minutes
E. 3 hours and 30 minutes