Determine the area of the triangle. If necessary, round the answer to two decimal places.A = 23°, b = 9, 
A. 3.52
B. 3.50
C. 3.53
D. 3.51
Answer: A
Mathematics
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Subtract.(3.9x3 - 7.7x2 - 3) - (8.1x3 - 2.3x2 + 1)
A. -4.2x3 - 5.4x2 - 4 B. -4.2x3 - 10x2 - 4 C. 12x3 - 5.4x2 - 4 D. -4.2x3 - 5.4x2 + 4
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.xy for x = 
, y = 
A. 7
B. 
C. 
D. - 
Mathematics
If two triangles have 3 pairs of proportional sides, then they are _______________.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Divide. Write the answer as a mixed number as needed.
÷ 
A. 1
B. 
C. 
D. 9
Mathematics