Find the perimeter.
A. 45 cm
B. 49 cm
C. 64 cm
D. 57 cm
Answer: D
Mathematics
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Solve.Let f(x) = 
x. Show that f-1(x) = 
x
What will be an ideal response?
Mathematics
Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. sin ? = 0.388
A. 23.0° B. 25° C. 23° D. 25.0°
Mathematics
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400
Mathematics
Convert. When necessary, round the answer to two decimal places.12 feet to inches
A. 48 B. 36 C. 144 D. 432
Mathematics