Find the area of the trapezoid.A park in Canada is laid out in the shape of a trapezoid. The trapezoid has a height of 263 m. The bases are 425 m and 439 m. Find the area of the park.
A. 24,534,612.5 m2
B. 563.5 m2
C. 113,616 m2
D. 227,232 m2
Answer: C
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Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z. x + y + z = 7 x - y + 2z = 7
A. (8, -3, 2)
B. 
C. (-3z + 14, 2z - 7, z)
D. (4, 1, 2)
Rewrite the inequality using interval notation. Then graph the inequality.3 ? x ? 7
A. [3, 7)
B. (3, 7)
C. [3, 7]
D. (3, 7]
Factor the four-term polynomial by grouping.10a3 + 8a2b - 25ab2 - 20b3
A. (2a2 - 5b)(5a + 4b) B. (2a2 + 5b2)(5a - 4b) C. (2a2 - 5b2)(5a + 4b) D. (10a2 - 5b2)(a + 4b)
Solve the problem.Suppose that you walk 4 miles. Express this distance in yards.
A. 7040 yd B. 400 yd C. 4000 yd D. 704 yd