Express the solution set of the inequality in interval notation.x > 21
A. [21, ?)
B. (21, ?)
C. (-?, 21]
D. (-?, 21)
Answer: B
Mathematics
You might also like to view...
Find the work done by F over the curve in the direction of increasing t.F = - 
i + 
j + 
k; C: r(t) = 
i + 
j + 7tk, 0 ? t ? 
A. W = 
+ 
?2
B. W = 
+ 
?2
C. W = 
+ 
?2
D. W = 
+ 
?2
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round to the nearest cent.James has set up an ordinary annuity to save for his retirement in 19 years. If his monthly payments are 
and the annuity has an annual interest rate of 7.5% compounded monthly, what will be the value of the annuity when he retires?
A. $86,397.94 B. $75,347.04 C. $100,462.72 D. $104,462.72
Mathematics
Find the exact value of the expression without using a calculator.sin 
cos 
- cos 
sin 
A. 1
B. 
C. 
D. 
Mathematics