The two triangles below are similar. Find the missing length.
A. x = 12
B. x = 25
C. x = 20
D. x = 19
Answer: C
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Solve.Suppose that an estimated 8750 gigatons of mass of a certain ice sheet has been lost since the beginning of the 20th century. Given that a gigaton is 1012 metric tons, and a metric ton is 1000 kilograms, convert this loss to U.S. customary tons. Express your answer in scientific notation to three decimal places.
A. 8.750 × 1015 tons B. 8.750 × 1012 tons C. 9.645 × 1012 tons D. 9.645 × 1015 tons
Find the range of the quadratic function.f(x) = 7 - (x + 5)2
A. (-?, 7] B. (-?, 5] C. [-5, ?) D. [7, ?)
Find the vertex of the parabola.y = x2 - 12x + 44
A. (8, 0) B. (0, 6) C. (6, 8) D. (8, 6)
Solve the problem.A circular fountain has a statue in its center, 8 m from the edge. What is the distance around the fountain?(Use 3.14 for ? .)
A. 50.24 m B. 25.12 m C. 48.24 m D. 64 m