Use chain rule to find dw/dt w=ln(x^2 + y^2 + z^2)^(1/2) , x=sint, y=cost, z=tant

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12