Add mentally.41 + 0 + 92 + 0 + 2 + 68 + 21

A. 242
B. 224
C. 234
D. 247


Answer: B

Mathematics

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Find the required part of the geometric sequence.Find a formula for the nth term of a geometric sequence with third term -  and sixth term - .

A. an = - 1 + 
B. an = - 1
C. an =  + (n - 1)
D. an =  + (n - 1)

Mathematics

Which document was written primarily in order to help emphasize the roles of reasoning and sense-making in the curriculum?

a. Focus in High School Mathematics b. Curriculum Focal Points c. Assessment Standards for School Mathematics d. Saxon Mathematics

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Write the whole number in standard form.Two hundred six million, five hundred five

A. 26,000,505 B. 206,505 C. 206,000,505 D. 206,505,000

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Find the logarithm. Give an approximation to four decimal places.ln 0.000691

A. 3.1605 B. 7.2774 C. -7.2774 D. -3.1605

Mathematics