Asporting goods store is having a 15% off sale on all items. which functions can be used to find the sale price of an item that has an original price of x? you may choose more than one correct answer.

ƒ(x) = x - .15x
sale = original - 15
ƒ(x) = 1.15x
sale = original - .15(original)
y = .85x

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Alogical argument that is presented in graphical form using boxes and arrows is called?