Write in scientific notation.89,000
A. 8.9 × 10-5
B. 8.9 × 105
C. 8.9 × 104
D. 8.9 × 10-4
Answer: C
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Factor completely.15x2 + 19xy + 6y2
A. (15x + y)(x + 6y) B. (15x + 2y)(x + 3y) C. (3x - 2y)(5x - 3y) D. (3x + 2y)(5x + 3y)
The general term of a sequence is given. Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.{5n2 - 2}
A. Arithmetic, d = 5 B. Geometric, r = 5 C. Arithmetic, d = -2 D. Neither
Find an equation of variation for the given situation.y varies jointly as x and the square of z, and y = 160 when x = 8 and z = 2
A. y = 5xz2
B. y = 10xz
C. y = 
D. y = 6xz2
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.3
+ 9
A. 12
B. 84
C. 27
D. 12