2y + x = 6 y − kx = 2

For which values of k

a) lacks the equation system solution
b) the system of equations has a solution
c) the system of equations has a solution in the 1st quadrant (x, y> 0)

Find the solution(s) to x^2-14+49=0

Line segment eg is partitioned by point f in the ratio 1: 1. point e is at e (0, 4), and point f is at (1, 3). what are the coordinates of point g? (−1, 5) (2, 2) (3, 1) (4, 0)

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?