Answer:
There would be 168 girls and 252 boys
Step-by-step explanation:
40% or 0.40 x 420 = 168
420 - 168 = 252
A. vertical angles are congruent
b. alternate interior angles are congruent
c. if alternate interior angles are congruent, lines are parallel <span />
(a) The parabola opens downward.
(b) The axis of symmetry is at x = -2.
(c) The vertex is at (-2,0).
(d) The x-intercepts is (-2,0), and the y-intercept is at (0,-1).
Answer:
-5
Step-by-step explanation:
its the same as adding positive numbers but with a minus sign so -3+(-2)= -5
