3.) An internet, telephone, and cable TV package plan costs $80 each month. The internet part is $23, telephone is $16, the cable TV is the rest. Write the ratio of the
internet bill to the cable TV bill in three different ways.

Me i’m stuck on all these questions besides the two bottom ones

△abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.