Solve
1+1+1+1+1+1+1
1+1+1+1+1+1+1
1+1+1+1+1+1+1 =?​

What is the square root of 45? (step by step working plz)

What is 1/2 x (6 x 4)+3 + 2 show your work

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)