Rewrite the equation by completing the square. 4 x^2 -4 x +1 = 0

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?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.