Solve.x2 + y2 = 63 2x = y2
A. (7, 
)
B. (7, - 
), (7, 
), (-9, - 3
), (-9, 3
)
C. (7, - 
), (7, 
)
D. (7, 
), (-9, 3
)
Answer: C
Mathematics
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Convert as indicated.258.8 cm to millimeters
A. 2,588 mm B. 25,880 mm C. 2.588 mm D. 258.8 mm
Mathematics
Solve.x - 
= -7
A. -3 B. 4 C. 2 D. -4
Mathematics
Solve.To trim the edges of a rectangular table cloth, 48 feet of lace are needed. The length of the table cloth is exactly one-half its width. What are the dimensions of the table cloth?
A. length: 8 ft; width: 16 ft B. length: 16 ft; width: 8 ft C. length: 4 ft; width: 8 ft D. length: 16 ft; width: 32 ft
Mathematics
Factor by grouping.x3 - 2x2 + 9x - 18
A. (x2 + 9)(x - 2) B. (x2 - 2x) + 9(x - 2) C. x(x2 - 2x + 9) - 18 D. (x + 9)(x2 - 2x)(x - 2)
Mathematics