Complete the factored form of the linear expression. 15x + 10y = ( ) ( + )
A. 15x + 10y = (5) (2x + 3y)
B. 15x + 10y = (5y) (3x + 2)
C. 15x + 10y = (5x) (3 + 2y)
D. 15x + 10y = (5) (3x + 2y)

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

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.