−2(13x−15)
distribute by multiplication -2 to 13x and -15
-26x+30
The coefficient of this expression is 5, a coefficient is just the number before a variable.
8:2 can be simplified to 4:1. (:
Answer:
all of these are observable.
Step-by-step explanation:
you can look into how algae increase in the summer. You can visually see the water level is lower and you can feel the temperature of the water
Answer:
150
Step-by-step explanation: