:)
if x²+4x+y²-6y-12=0 is the equation of a circle, the length of the radius is

1. 25
2. 16
3. 5
4. 4

Which expressions are equivalent to -6 + 3m

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?