Find the critical points of the given function and then determine whether they are local maxima, local minima, or saddle points. f(x, y) = x2 + y2 + 2xy

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

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

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.