Solve the problem.If a, b, and c are the lengths of the three sides of a triangle, the area A of the triangle is given by A = 
,where s = 
. Find the area of a triangle with sides of length 17 inches, 14 inches, and 19 inches. Round your answer to the nearest hundredth of a square inch.
A. 160.08 in.2
B. 114.89 in.2
C. 125 in.2
D. 235.85 in.2
Answer: B
Mathematics
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Solve the problem.A given line goes through the points (-1, 3) and (-2, -4). If a line is to be drawn parallel to the given line, what will be its slope?
A. - 
B. - 7
C. 7
D. 
Mathematics
Solve the problem.A trough is to be made with an end of the dimensions shown. The length of the trough is to be 
long. Only the angle ? can be varied. What value of ? will maximize the trough's volume?
A. 52 B. 32° C. 30° D. 8
Mathematics
The function f is one-to-one. Find its inverse.f(x) = (x + 6)3
A. f-1(x) = 
- 6
B. f-1(x) = 
+ 6
C. f-1(x) = 
- 216
D. f-1(x) = 
- 6
Mathematics
Write the statement in symbolic form.The number 
is an irrational number.
A. 
? I
B. 
= I
C. 
? I
D. 
? I
Mathematics