Solve the compound inequality. Graph the solution set.x > 7 or x < 7
A. (-?, 7)
B. (-?, 7) ? (7, ?)
C. {7}
D. (7, ?)
Answer: B
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Use a proportion to solve the problem. Round to the nearest tenth as needed.A triangle drawn on a map has sides of lengths 8 cm, 12 cm, and 15 cm. The shortest of the corresponding real-life distances is 108 km. Find the longest of the real-life distances.
A. 202.5 km B. 212.5 km C. 152.0 km D. 162.0 km
Solve the inequality.
?
?
A. 
B. 
C. 
D. 
E. 
The 5th term of an arithmetic sequence is 8, and the first term is -8. Find the common difference.
Fill in the blank(s) with the appropriate word(s).
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Greater than 13.4 seconds
A. 3% B. 98% C. 84% D. 98%