Identify the indicated entry in matrix A.A = 
; identify a12.
A. 3
B. 5
C. 6
D. 4
Answer: C
Mathematics
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Simplify the radical expression.
A. 11 B. 5 C. ±5 D. 25
Mathematics
Find the measure of each unknown angle in triangle ABC.
?A = (40x - 15)°, ?B = (27 - 2x)°, ?C = (12 + x)°
A. ?A = 35°, ?B = 15°, ?C = 20° B. ?A = 35°, ?B = 27°, ?C = 8° C. ?A = 145°, ?B = 19°, ?C = 16° D. ?A = 145°, ?B = 23°, ?C = 12°
Mathematics
Determine whether the number is divisible by 2, 3, 4, 5, 6, 8, 9, and/or 10.3526
A. 2 B. 4 C. 3, 4 D. 2, 3, 4
Mathematics
Factor.x4 - 1
A. (x2 - 1)(x2 - 1) B. prime C. (x2 + 1)(x2 + 1) D. (x2 + 1)(x + 1)(x - 1)
Mathematics