Which polynomial is in standard form?
2xy2 + 3x3y4 - 4x4y5 + 9x5y6
8x5 - 5y4 - 2xy5 + xły
XBy2-3x?y-9x4y + 11x
5x?y2 +7x6y5 - 14x3y7 +51x?y9

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

For the equations below which statement is true ? -2x=14 6x=-42

The school that imani goes to is selling tickets to the annual dance competition. on the first day of the ticket sales the school sold 7 adult tickets and 5 child tickets for a total of $96. the school took in $40 on the second day by seling 3 adult tickets . find the price of an adult ticket and the price of a child ticket. solve by using substitution elimination college prep algebra math heres the 2 equations i came up with 7x+5y=96 and 3x+2y= -40 show all workiv be stuck on this.