Write and equation of the line in slope intercept form that passes through the points. (0,1) (2,4)

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500