Answer:
answer=RT
Step-by-step explanation:
because
Focus of a parabola:

where vertex (h,k) p is the distance from vertex to focus
Answer:
x = 20°
Step-by-step explanation:
by angle sum property of triangle
30 + 130 + x = 180
x = 180 - 160
<h2>x = 20°</h2>
Answer:
x + 3 + 
Step-by-step explanation:
Divide using Synthetic division
dividing by ( x - 3)
Using 0 to represent the x- term
3 | 1 0 4
↓ 3 9
+ +
------------------
1 3 13 ← remainder
Thus
= x + 3 + 
You can stack 77 books into 7 piles of 11, or into 11 piles of 7. So in two different ways.