You can use a plot diagram to plot the points and if they all go straight through the origin then it is proportional
Answer:
Step-by-step explanation:
This is exponential growth which has the form

Esta pregunta obtendría una mejor ayuda si estuviera en español.
Answer:
114
Step-by-step explanation:
Both angle 8 and angle 1 have the same measure, so angle 1 would also be 114 degrees
Step-by-step explanation:
(3х - 7y = 13)×-2
6х + y = 7
-6х +14y = -26
6х + y = 7
15y=-19
y=-19÷15=-1.26
6x+-1.26=7
6x=7+1.26
6x=8.26
x=1.37