Billy mows lawns. What could the initial value mean in the table below? Lawns Mowed $ Earned
0 -20
1 10
2 40
3 70
Billy earns $20 per lawn.
People pay Billy $30 to mow their lawn.
Billy has 20 jobs when he starts his business.
Billy spent $20 to start his business.

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?