Which of the following functions has a zero at x=-2

a. f(x)=(x+2)^2 -5
b. f(x)=x^2 -6x+8
c. f(x)=(x-2)^2 +1
d. f(x)=x(x+2)

The spring the owner of a sporting good store decreases the price of winter gloves from $10 to $8 each increases the price of swimming goggles from $8 to $10 without doing the math you think the percent decrease in the price of the gloves the same as the percent increase of the goggles explain why or why not

For how answer my question this will be the last question can you answer in math subject

How do i find the missing angle measure in a polygon