Which point is an exact solution to the system y = -6(0.75)^x and y = 4(x - 1)? (-2, -12)
(-4.5, -22)
(0, -6)
(-1, -8)

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

How to do this , and can some one explain

At 6 1/2 cents per pound of string beans how much does 7 pounds cost