Help fast please

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

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

Bring the fraction a/a-4 to a denominator of 16-a^2