Which of the following equations could be the result of using the comparison method to solve the system shown?
x - 4y - 10
x+5y-4=0

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Find the greatest common factor of the followig monomials 46g^2h and 34g^6h^6

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25