Is a^2+3b-2a^2 = 3a^2+3b-4a^2

Can you decompose the numbers 20,740,6,000

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

Alex took his brother to a birthday party. the party was scheduled to last for 1 and 3/4 hours but they stayed for 4/5 of an hour more. how long did she stay at the party?