Given that sin θ=(3√10/10) and (π/2)<θ<π , Find the exact value of sin(2θ)

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?