Referring to triangle ABC, find the area of the triangle.
?
a = 4.35 ft, b = 3.71 ft, c = 5.23 ft
?
Round to three significant digits.
?
S = __________ ft2
Fill in the blank(s) with the appropriate word(s).
7.96
Mathematics
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Determine the indefinite integral. Check your work by differentiation.
d?
A. cot ? + C B. -cot ? + C C. ? + tan ? + C D. cos2 ? + C
Mathematics
Simplify.5(6x + 4y) + 8(x + 3y)
A. 70x + 44y B. 14x + 7y + 5 C. 38x + 7y D. 38x + 44y
Mathematics
Graph y = f(x) and y = |f(x)| in the standard viewing rectangle. Determine the x-intercept for the graph of y = |f(x)|.y = 9 - 3x
A. 
x-intercept is -3.
B. 
x-intercept is 3.
C. 
x-intercept is 0.
D. 
x-intercept is 3.
Mathematics
Perform the indicated operation and, if possible, simplify.
+ 
A. 
B. 
C. 0
D. - 
Mathematics