Point P is the orthocenter of the triangle.
Dennis fell off a cliff and underwent surgery for his broken penis. i can’t answer this
The product of a scalar and a matrix is found by multiplying each element of the matrix by the scalar. Multiply each element by -4.
... [4 -12 -24 12]
The first number is 9 and the second number is 10. 10+9=10. 9*2=18 and 10 is 8 less than 18. All the requirements of the numbers are met.