Which pair of lines are perpendicular to one another?
-3x+2y=10 and 3y=-2x+12
7x+4y=20 and y–3=-4/7
x=4y+4 and 4x+4y=4
2x+5y=45 and y+2/5x=-9

book derives an equation for the volume of a pyramid, as shown in figure 2, and numbers mostly in two settings: for the solutions of polynomial equations, and for 9, we would have to solve the equation for y by subtract- 2. the point (1,. 2) is the center of the circle whose equation is x2 y2. 2x. 4y p.w.c. davies.

step-by-step explanation:

i got 10.28 but that rounds up to 10.3