Find the perimeter.
A. 420 cm
B. 140 cm
C. 210 cm
D. 280 cm
Answer: C
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals.
A. ln 
+ x - 4 ln 
+ C
B. ln 
- 4 ln 
+ C
C. - 4 ln 
+ C
D. ln 
- 4 ln 
+ C
Mathematics
Multiply using Napier's bones.3 × 4564
A. 13,695 B. 13,692 C. 27,384 D. 13,689
Mathematics
Write fraction as decimal number. Use bar notation for repeating decimals.
A. 1.15
B. 1.1
C. 1.
D. 1.
Mathematics
Use identities to write each expression as a function of ?.cos 
A. -cos ? B. -sin ? C. cos ? D. sin ?
Mathematics