Find the area.
A. 160 m2
B. 21 m2
C. 42 m2
D. 80 m2
Answer: D
Mathematics
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Determine if the item described is designed in accordance with the golden ratio.An archway has a height of 7.0 meters and a width of 4.3 meters.
A. No B. Yes
Mathematics
Simplify the expression.
?
?
Write the answer without using negative exponents. Assume that all variables are restricted to those numbers for which the expression is defined.
?
A. 
B. ?
C. ?
D. ?
Mathematics
A right triangle has legs a and b with hypotenuse c. Find the length of the missing side. Round the answer to three decimal places, if necessary.b = 3, c = 
A. 12.649 B. 4.69 C. 3 D. 2
Mathematics
Verify the identity.cos 4x = 2 cos2 2x - 1
What will be an ideal response?
Mathematics