Answer:
23 thousandths. <em><u>=</u></em><em><u> </u></em> 23 ÷ 10^3
9+4 × (6÷3) <em><u>></u></em> (9+4×6) ÷ 3
5 tens + 2 hundredths. <em><u><</u></em> 50.20
810.6 ÷ 10. <em><u>=</u></em> 8.106 × 10
The answer is to your question is 100:1
Its 25 for the second one
7*X(number of students)=y(total cost)
The independent variable is the number of students and the dependent variable is the cost in dollars. I hope I helped!