Find the value of y in the following system of equations. 21x - 7y + 512= 141
13x + 9y - 5z = -19
192 8y + 232 = 30

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.

10% of 1,900,000. show me how you got the answer

Which ordered pair is a solution of the equation? y + 5 = 2(2+1) choose 1 answer ® only (5,10 ® only (-1,-5) © both (5, 10) and (-1,-5) 0 neither