Simplify.|155|
A. 0
B. -155
C. 155
D. 
Answer: C
Mathematics
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Solve the problem by guessing and adjusting.Mitra created a mosaic design using square 4-by-4 cm white tiles and rectangular 
centimeter black tiles. She used twice as many white tiles as black tiles. The finished pattern was 2704 square centimeters in area. How many rectangular tiles did she use?
A. 52 B. 20 C. 104 D. 212
Mathematics
Find the angle between u and v in radians.u = 9i, v = 4i - 2j
A. 1.55 B. 0.46 C. 1.11 D. 1.21
Mathematics
Evaluate the function.T(x, y) = 
+ 4x2y; find T(x, 2)
A. 5 - 3x + 8y2 B. 5 + 3x + 8x2 C. 5 - 3x + 8x2 D. 5 - 3x + 2x2y
Mathematics
Find the absolute value.
A. 9
B. 
C. 
D. - 
Mathematics