A line is drawn through (-7, 11) and (8, -9). The equation y – 11 = 4(x + 7) is written to represent the line. Which
equations also represent the line? Check all that apply.
y = 4x+ }
3y = -4x + 40
4x + y = 21
4x + 3y = 5
-4x + 3y = 17

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

What percent of 18 is 24? and plz explain thx.