Simplify by combining like terms.17.5x + 8.8 - 7.9x - 18.3
A. 10.6x - 9.5
B. 9.6x - 9.5
C. 0.1x
D. 9.6x + 9.5
Answer: B
Mathematics
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Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Find the exact value of the expression in degrees without using a calculator or table.arctan 
A. -135° B. 45° C. 225° D. -45°
Mathematics
Find the axis of symmetry of the given function.g(x) = 3x2 - 12x + 8
A. x = 4 B. x = -2 C. x = -4 D. x = 2
Mathematics
Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.2, -1, -4, -7, -10, . . .
A. Arithmetic; a = 2, d = -3 B. Not arithmetic
Mathematics