Aiden and Noah are going to work for their neighbor this summer. The neighbor gives Aiden $25 at the beginning of the summer and then pays him $5 each week to mow the lawn. The neighbor pays Noah $7.50 each week to walk the dog.
The graph shown below models the total amount of money y each boy has earned after working for 2 weeks.

A. After 10 weeks, each boy has earned a total of $75

Step-by-step explanation:

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.