Which of these scales are equivalent to 3 cm to 4 km?

a. 0.75 cm to 1 km
b. 1 cm to 12 km
c. 6 mm to 2 km
d. 0.3 mm to 40 m
e. 1 inch to 7.62 km

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

Factor the polynomial. b^2 + 4b + 4

Bc and bd are opposite rays. all of the following are true except a)a,b,c,d are collinear b)a,b,c,d are coplanar c)bc=bd d)b is between c and d