Write the set using the listing (roster) method.
 figure 1.png)
E) {4, 5, 6}
Mathematics
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Perform the division.
A. 3r7 - 5r4 B. 3r5 - 5r2 C. 9r5 - 15r2 D. 3r6 - 5r3
Mathematics
Solve the problem.
The number sequence that corresponds to the figures above is 1, 5, 12, 22, . . . .These are the pentagonal numbers P1, P2, P3, P4, . . . .Use inductive reasoning to find a formula for the nth pentagonal number, Pn.
A. Pn = n(3n - 1)/2 B. Pn = 2n(n - 1) C. Pn = n(3n + 1)/2 D. Pn = 3n(n - 1)/2
Mathematics
Find the quotient. Write the answer in standard form.
A. 7i B. -7 C. -7i D. 7
Mathematics
Add.12.46 + 6.96 + 0.0753 + 0.803
A. 20.1477 B. 20.2983 C. 6.2277 D. 6.3783
Mathematics