Isha, a super excited khan academy user has increased her points by 75% in a week. shes at 1400 points now. how many points did isha have on Khan academy last week?

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.

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).

Hundred and tens tables to make 430 in five different ways