Write each whole number in expanded form.90,170
A. 9000 + 10 + 7
B. 90,000 + 1000 + 70
C. 9000 + 100 + 7
D. 90,000 + 100 + 70
Answer: D
Mathematics
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Factor by grouping.18a3 + 12a2b - 15ab2 - 10b3
A. (18a2 - 5b2)(a + 2b) B. (6a2 - 5b2)(3a + 2b) C. (6a2 + 5b2)(3a - 2b) D. (6a2 - 5b)(3a + 2b)
Mathematics
Find the first four terms of the sequence.an = 4 ? an-1; a1 = -6
A. -24, -96, -384, -1536 B. -6, -24, -20, -16 C. 0, 4, -24, -20 D. -6, -24, -96, -384
Mathematics
Find the indicated angle.Find the complement of 72°.
A. 108° B. 18° C. 288° D. 198°
Mathematics
Determine whether the statement is true or false. If it is true, explain why it is true. If it is false, give an example to show why it is false.
The following problem is a linear programming problem.
Mathematics