Evaluate the following expressions.

2 + 3√49

3√1000 ÷ 5 =

3√9 - 4^3√64

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)

3x + 4y = 5 x- 3y = -7 solve by substitution

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?