Which systems of equations have no solution? x + 4y = 23 -3x = 12y + 1 2x + y = 17 4x = 2y = 34 2x + 4y = 22 -X = 2y = 11 3y = 10 = x 2x + y = 7 2x + y = 15 x = 15 - 2y y = 13 - 2x 4x - y = -1​

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Measures of the angle of r, 31 s (x+4) t (3x+9)

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.