Are the following equations parallel, perpendicular or neither?
=
y = 4x + 2
y = -4x - 1

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

Nine more than four times a number is the same as one less than twice the number. find the number?

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons