Simplify the following expression: NEEED HELP PLLZ:( 2x − 8y + 3x2 + 7y − 12x

A 3x2 − 14x − y

B 3x2 − 10x − y

C 3x2 − 10x − 15y

D 3x2 + 10x − y

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.