Approximate the area of the triangle to the nearest tenth.
b = 87, c = 12.7
A. 412.5
B. 427.6
C. 408.3
D. 421.8
Answer: A
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Use the at least once rule to find the indicated probability.In a batch of 8000 clock radios 7% are defective. A sample of 11 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?
A. 0.550 B. 0.0700 C. 0.450 D. 0.0909
Determine the correct exponential function of the form f(x) = bx whose graph is given.
A. f(x) = -3x
B. f(x) = -6x
C. f(x) = 
x
D. f(x) = 6x
Evaluate f(-4) if 
.
?
A. f(-4) = 19 B. f(-4) = 11 C. f(-4) = 16 D. f(-4) = 23 E. f(-4) = 21
Perform the operation and write the result in standard form.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?