17. THINKSMARTER) What is another
name for a cube? Explain your
reasoning
is and pyramids.

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?

I’m really confused and need your assist me with this question i’ve never been taught

Which image (a’ b’ c’ d’) of abcd cannot he produced using only reflections ?