Answer:
16
Step-by-step explanation:
Vertical Angles are congruent (equal)
78 = 5x - 2
80 = 5x
16 = x
The constant of proportionality is 5.5
Step-by-step explanation:
y = kx
k = constant of proportionality
y = <u>5.5</u>x
Answer:45
Step-by-step explanation:
Make a point at 2, and make the arrow go to the right
Multiply the numerators and the denominators
15/120 = 3/24 = 1/8