What is the factored form of this expression?
27+3 – 3642 – 126 + 16

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Combine like terms to make a simpler expression 3z+z

What is the circumference of a circle with an area of 50.24 cm²?