what is the first step that should be performed to find the value of this expression 120 - 15 x (30 - 6) + 12

The product of two negative rational numbers is always zero sometimes zero never zero

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

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.