The regular price of a t-shirt is $14.80. today, t-shirts are on sale for 0.8 of their regular price. how much will elias spend if he buys 6 t-shirts today? $71.04 $84.00 $93.60 $111.00

What is the vertex form of f(x) = x2 + 6x + 3

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x

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?