What is 3. 9, 27, 81, 243 can someone plz help

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?