Solve the problem.A stained glass window is composed of 20 triangular sections, each with sides 4, 7, and 7 in. Find the total area of the window (to the nearest square inch).
A. 89 in.2
B. 13 in.2
C. 268 in.2
D. 3461 in.2
Answer: C
Mathematics
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Determine whether the ordered pair is a solution of the system of linear equations.(5, -1), 
A. Yes B. No
Mathematics
Write the inequality using interval notation, and illustrate the inequality using the real number line.t ? -10
A. (-10, ?)
B. [-10, ?)
C. (-10, ?]
D. [-10, ?]
Mathematics
Solve.If y varies directly as the square of x, and y = 20 when x = 5, find y when x = 15.
A. 
B. 60
C. 180
D. 
Mathematics
Find the product.-4x3(2x2 - 6x + 3)
A. -8x6 + 24x3 - 12x3 B. 8x5 + 24x4 - 12x3 C. -8x5 - 24x4 + 12x3 D. -8x5 + 24x4 - 12x3
Mathematics