Find the slope of the line through the given points (-2,1) and (2,-7)

Is every rectangle is a parallelogram? true false

What is the value of r of the geometric series?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny