2x + 4y = 6
x - 4y = 8

which of the following is an equivalent equation:

a. 4x + 4y = 12
x - 4y = 12

b. 2x + 4y = 6
3x - 12y = 8

c. 10x + 20y = 30
x - 4y = 8

d. 2x + 4y = 6
2x - 8y = 8

it’s not d or a

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

If you flip a coin 3 times, what is the probability of flipping heads 3 times? a. p(3 heads) = 3/8 b. p(3 heads) = 1/6 c. p(3 heads) = 1/8 d. p(3 heads) = 1/2