Solve the problem.The cap of a pickle jar has a radius 6 cm. Find the diameter of the cap.
A. 12 cm
B. 36 cm
C. 13 cm
D. 37 cm
Answer: A
Mathematics
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Find the slope and the y-intercept of the given line.y = - 
x + 5
A. - 
; (0, -5)
B. - 
; (0, 5)
C. 
; (0, 5)
D. 
; (0, -5)
Mathematics
Solve the equation on the interval 0 ? ? < 2?.cos2 ? - 1 = 0
A. 
B. {0, ?}
C. 
D. {0}
Mathematics
Solve the problem.A man takes a job as a bookkeeper at the age of 21. Assuming retirement at age 67 and annual salary $2800 that is paid in a continuous money flow, what is the 
accumulated present value? The current interest rate is 8%, compounded continuously.
A. -$34,117.20 B. $35,882.80 C. $34,117.20 D. $882.80
Mathematics
Add.Find the sum of -38 and 44.
A. 82 B. 6 C. -82 D. -6
Mathematics