Convert the base-ten number to a number in the indicated base.2,874 to base eight
A. 4572eight
B. 5427eight
C. 4527eight
D. 5472eight
Answer: D
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Find the area of the region specified in polar coordinates.The region inside both 
and 
A. 16(? - 2) B. 8(? - 1) C. 8(? - 2) D. 16(? - 1)
Translate the problem situation to a system of equations. Do not solve.Two angles are supplementary. One angle is 27 more than three times the other angle. Find the measures of the angles.
A. x + y = 90; x = 27 - 3y B. x + y = 180; x = 3y - 27 C. x + y = 90; x = 3y + 27 D. x + y = 180; x = 3y + 27
Multiply.(x4 + 4)(x4 - 4)
A. x8 + 8x4 - 16 B. x8 + 16 C. x8 - 16 D. x8 - 8x4 - 16
Use a graphing calculator to solve the system of equations. Round your solution to one decimal place.1.7x - 0.8y - 3.9z = -4.23.0x - 7.0y + 1.6z = -5.04.8x - 3.6y - 4.7z = -0.7
A. (38.2, 26.6, 19.8) B. (4.8, 3.3, 2.5) C. (19.1, 13.3, 9.9) D. (9.5, 6.6, 4.9)