Find the area of the triangle. If necessary, round the answer to two decimal places.a = 6, b = 6, c = 7
A. 21.14
B. 17.06
C. 18.25
D. 15.54
Answer: B
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Solve the problem.A radio station claims that the amount of advertising per hour of broadcast time has an average of 15 minutes and a standard deviation equal to 1.6 minutes. You listen to the radio station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 8 minutes. Calculate the z-score for this amount of advertising time.
A. 4.38 B. 0.43 C. -11.2 D. -4.37
Find the local extrema of the function, if they exist.f(x) = x3 - 12x + 1
A. Local maximum at (5, 66); Local minimum at (-3, 10) B. Local maximum at (-2, 17); Local minimum at (2, -15) C. Local minimum at (-2, 17); Local maximum at (2, -15) D. Local maximum at (5, 66); Local minimum at (2, -15)
Subtract. Check by adding.
A. 40 B. 42 C. 52 D. 140
Do the operation and express the answer in 
form.
?
What will be an ideal response?