What is the perimeter of this red polygon?
2 cm
3 cm
4 cm
4 cm
[? ]cm
please help asap:))

Abox of chocolates cost $7 which equation relates the number of boxes sold parentheses x parentheses and total cost of the boxes sold parentheses y parentheses

4. jake needs to score in the top 10% in order to earn a physical fitness certificate. the class mean is 78 and the standard deviation is 5.5. what raw score does he need? z value for top 10% =1.282 how do i get the z value? what is the equation for this? raw score =mean+z*sd = 78+1.282*5.5 = 85.051

Of . 3x+4y+4z=4, 5x+7y+3z=5 4x+5y+7z=7