7. In AABC, N is the incenter, ND = 9x +3, and NE = 8x + 7. Find NF​

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.

The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.