Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.
Step-by-step explanation:
Answer:
The distance between (-4, 3) and (4, 3) is 8
Step-by-step explanation:
<u>Distance formula: </u>
Distance: 
Distance: 
Distance: 
Distance: 8
Answer: The distance between (-4, 3) and (4, 3) is 8
★ Exponential reduction ★

we didn't considered -8 because square root of any real number is always positive , or it's yours choice to deal with minus 8 also :)
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Answer:
1. 180
2. Yes
Step-by-step explanation:
2. Divide your answer from the first question by 70 and you get 2 hours and 57 minutes