Which equation is correct? O 3.3 = 32 = 9
O 4.4 = 2(4) = 8
O 7.7 = 2(7) = 49
O 14. 14 = 142 = 28

On a piece of paper graph f(x)=5•(0.4)^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?

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120