Is this expression x+2x+3 equivalent to the expression 3(x+1)

Acircle has a circumference of 28.36 units what is the diameter of the circle

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?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m