Solve the problem.What is the area of a square with side 2.7 cm?
A. 5.4 cm2
B. 7.29 cm2
C. 19 cm2
D. 29.16 cm2
Answer: B
Mathematics
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Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Subtract.(r3 - 7rs + 5s2) - (9r3 + rs - 2s2)
A. -8r3 - 6rs + 7s2 B. -8r3 - 8rs + 7s2 C. -8r3 - 8rs + 3s2 D. -9r3 - 7rs + 3s2
Mathematics
Solve.The longest diagonal of a regular octagon (an eight-sided figure with all sides and angles equal) is directly proportional to the length of a side. If a regular octagon with sides 19 cm has a diagonal of length -19.26 cm, how long is the diagonal of an octagon with side 5 cm?
A. -4.93 cm B. -5.07 cm C. -0.13 cm D. -73.19 cm
Mathematics
Write the ratio or rate in simplest form.25 to 70
A. 
B. 
C. 
D. 
Mathematics