What is the product?
x-16 x - 2x2 + x
2x+8 x2 + 3x-4
x(x-4)(x-1)
2(x+4)
(-1)
(x+4)(x-4)
2x(x-1)
(x-4)(x-1)
2x(x+4)

Aphoto of a painting measured 13 x 17 inches the scale of the photo to the original painting is 1 inch to 3 inches. what is the size of this painting

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

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?