3 A student measures the weight of a bag of bananas with a spring balance. a Describe what is inside a spring balance and explain how it works.
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Abank gives 6.5% interest per year. what is the growth factor b in this situation?

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.