Simplify 5(1+3)^2. I need Help

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.