Reina and sam are multiplying (8^4)^5 (7^3)^9. reina's work: (8^4)^5 (7^3)^9 = 8^4 + 5^7^3 + 9 = 8^97^12 sam's work: (8^4)^5 (7^3)^9 = (8^4)⋅^57^3⋅^9 = 8^207^27 i need as soon as possible .

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

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.