Answer:
<u>a= -4</u>
Step-by-step explanation:
subtract 4a from both sides
add 15 to both sides
divide both sides by -3
(order of operations)
Range
Because it has the biggest difference between the two sets (14 in set 1 and 57 in set 2) so the outlier (the value 63 in set 2) affected it the most
that's the solution of the system
Answer:
He should mix 25 liters of the 30% solution, and 35 liters of 60% solution.
Step-by-step explanation:
Answer:
- 1-4.
1. The students' mouths were opened in shock.
2. They could not believe the box's contents.
3. Today's activity is examining plants.
4. Sam's stomach ached from laughing so hard.
-5-8.
5. The classroom's glass doors were closed.
6. The students were using the school's computers.
7. The principal's coughing disturbed the students and their two teachers.
8. The teachers' robots rushed toward the door.
Step-by-step explanation:
Hope it helps :)