Which three expressions are equivalent to the expression 3x - 12 - 2(x + 12)?

Our goal is to collect email addresses from 60% of customers who purchase a product." so that means if i talk to 95 customers, i need to persuade to provide an email address?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?