Use the figure below to answer the question. m?COD= 80°, AB = 20°, PB= 6 ft, PA= 8 ft and AC = 5 ft.
 FIGURE.png)
Find m?DBC.
(a) 20°
(b) 40°
(c) 30°
(d) 80°
(b) 40°
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Write the fraction or mixed number as a percent. If necessary, round the percentage to the nearest tenth.
A. 0.4% B. 4% C. 400% D. 40%
Solve the problem.An auditorium has 25 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 900 seats B. 850 seats C. 550 seats D. 500 seats
Perform the indicated operations. Express the answer as a single polynomial in standard form.6x6(3x5 + 2x4 - 6)
A. 18x11 + 12x10 B. 18x11 + 2x4 - 6 C. 18x5 + 12x4 - 36 D. 18x11 + 12x10 - 36x6
Solve the problem.A brick staircase has a total of 20 steps The bottom step requires 146 bricks. Each successive step requires 5 fewer bricks than the prior one. How many bricks are required to build the staircase?
A. 3870 bricks B. 1970 bricks C. 3940 bricks D. 1920 bricks