34 divided by ten by the power of zero

Which system of linear inequalities is graphed? can somebody pleasssse

What is r i 4.5+10r=-6.5 with work pls

Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]