Given two sets, x = {things that are impossible or untrue} and y = {mathematical statements}, which of the following are in x ∩ y? .
a. cow jumps over the moon.
b. a cat tells you a story.
c. 99 - 2 = 1,000
d. 15^2 = 15
e. candy is sweet.

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.

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer