Answer:

Step-by-step explanation:

Adding 10 to both sides.


Adding
to both sides.


Dividing both sides by 10.


∴ 
Answer: 4
Step-by-step explanation: Range is the difference between the highest and lowest number, so since 5 is the highest and 1 is the lowest you subtract 1 from 5 to get your answer: 4.
You can write the question as a inequality.
c - 2 ≥ -22
add 2 on both sides...
c ≥ -20
Your answer is c ≥ -20.
61:1 or 61 miles per hour! This is because 183 divided by 3 is 61!
Hope this helped!
Answer:
If it is ax^2 + bx + c = 0 then it is a quadratic equation
Step-by-step explanation: