What is the area of rectangle PQRS with vertices at P(0,2), Q(0, 10), R(4,10) S(4,2)

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8