
A parabola is open up if a > 0.
The vertex formula:

(h; k) - the coordinates of the vertex

Therefore h = -5 < 0
Answer: B. y = x² + 10x + 24.
Answer:

Step-by-step explanation:
Height of the Cylinder= 30 feet
Diameter = 8 feet
Radius= Diameter/2 = 8/2 = 4 feet
The Amount of Metal Sheet used in constructing the tank is the Total Surface Area of the Tank.
Total Surface Area of a Cylinder =

Answer:
3.8
Step-by-step explanation:
1.8 + 3.6 = 5.4
5.4 - 9.2 = 3.8
%error=100(estimate-actual)/actual
%e=100(50-40)/40=25%
can't see the whole question but...
40(60/100)=24
so 24/40=3/5 carry a phone.
24 students carry a phone.
Answer:
3:15 hours
Step-by-step explanation:
i don't know I just took the test