Find the area of the geometric figure.Trapezoid4 m
9 m
A. 108 sq m
B. 216 sq m
C. 39 sq m
D. 78 sq m
Answer: C
Mathematics
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Solve.A fossilized leaf contains 15% of its normal amount of carbon 14. How old is the fossil? Use 5600 years as the half-life of carbon 14 and round to the nearest year.
A. 21,839 yr B. 15,299 yr C. 35,828 yr D. 1311 yr
Mathematics
Use DeMoivre's Theorem to find the indicated power. Write the answer in rectangular form.
4
A. 16i
B. 8 + 8i
C. 8 + 8
i
D. 8
+ 8i
Mathematics
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Write the equation of a line through the given points in the form 
, where A, B, and C are integers and 
(-9, 2), (-4, 5)
A. 3x + 5y = -17 B. 3x - 5y = -37 C. 3x + 5y = -37 D. 3x - 5y = -17
Mathematics