Find the missing length in the right triangle.
?20 in.
A. 27 in.
B. 360 in.
C. 720 in.
D. 19 in.
Answer: A
Mathematics
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Complete the blank with either ? or ? to make the statement true.8 {5, 10, 4, 8, 19}
A. ? B. ?
Mathematics
Evaluate the combination.
A. 9
B. 
C. 40,320
D. 362,880
Mathematics
Solve the problem.An oil well off the Gulf Coast is leaking, with the leak spreading oil over the surface of the gulf as a circle. At any time t, in minutes, after the beginning of the leak, the radius of the oil slick on the surface is 
Find the area A of the oil slick as a function of time.
A. A(r(t)) = 16?t B. A(r(t)) = 16?t2 C. A(r(t)) = 16t2 D. A(r(t)) = 4?t2
Mathematics
Divide.
A. 14 B. 0.4 C. 1.4 D. 4
Mathematics