Find the perimeter of the figure.

A. 700 ft
B. 18,769 ft
C. 685 ft
D. 822 ft


Answer: C

Mathematics

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Solve the problem. Round your answer, if appropriate.One airplane is approaching an airport from the north at 140 km/hr. A second airplane approaches from the east at 265 km/hr. Find the rate at which the distance between the planes changes when the southbound plane is 30 km away from the airport and the westbound plane is 21 km from the airport.

A. -534 km/hr B. -133 km/hr C. -400 km/hr D. -267 km/hr

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Factor by grouping.15x6 + 6x3 - 20x3 - 8

A. (3x3 + 4)(5x3 - 2) B. (3x6 - 4)(5x + 2) C. (3x3 - 4)(5x3 + 2) D. (15x3 + 4)(x3 - 2)

Mathematics

Find the product.(x + 4)(x - 4)

A. x2 + 8x - 16 B. x2 - 8 C. x2 - 16 D. x2 - 8x - 16

Mathematics

Find an equation of the line, and write it in (a) slope-intercept form if possible and (b) standard form.Through (8, -8); vertical

A. (a) not possible (b) x = -8 B. (a) not possible (b) x = 8 C. (a) y = 8 (b) y = 8 D. (a) y = -8 (b) y = -8

Mathematics