Answer:
Focus of a Parabola. A parabola is set of all points in a plane which are an equal distance away from a given point and given line. The point is called the focus of the parabola and the line is called the directrix. The focus lies on the axis of symmetry of the parabola.
Step-by-step explanation:
Answer:10,950=350x+475y
X=trumpet
Y=trombone
Step-by-step explanation:
Answer:
1.28 or 128
Step-by-step explanation:
you would take 32 and divide it by.25
Answer:
r - 12 = 74
Step-by-step explanation:
The difference between his height with 12 would signify subtraction with 12, and that difference is 74. Meaning, his height, minus 12, would equal 74.
Answer:
B(7 , 4)
Step-by-step explanation:
(x₁ , y₁) = A(-2 , -7)
(x₂ , y₂) = Point B
Midpoint(5.5, -1.5)

Compare x-coordinates & y-coordinates

-2+ x₂ = 2.5*2 ; -7+ y₂ = -1.5*2
-2+ x₂ = 5 ; -7 +y₂ = -3
x₂ = 5 +2 ; y₂ = -3 + 7
x₂ = 7 ; y₂ = 4
B(7 , 4)