Find the errors and correct the following mathematical sentences.​

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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)

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.