Write an equation for the nth term of the arithmetic sequence. Then find a50.
8, 2, -4, - 10,

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches

Simplify 1 divided by 2/3 x (-3) divided by 1/6 x (-10)