Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 + 4x + 3 a) maximum value at 1 b) minimum value at 1 c) maximum value at −1 d) minimum value at −1

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Could somebody me with this radical simplification?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?