Alguien me podría ayudar aunque sea en la 2°
se los agradecería mucho​

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

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