How do i find the least common multiple of each set of numbers
1. 5 and 6
2. 6 and 9
3. 6, 12, and 9
4. 3, 9, and 15

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.