B, because to substitute for a variable you have to have an equation to substitute first.
Answer:
The formula for the vertex of the parabola is -b/a. Plugging this in we get -(-4)/1 or 4.
55/8 or 55:8 will be the unit rate I think
Answer:Measure
Angle
48°
А
B
(6. - 28)
(2x)
С
Find the value of x. Then find the measures of angles B and C
Enter your answers in the boxes.
mZB=
O
mZC =
o
Step-by-step explanation: