Construct and interpret a 95% confidence interval estimate for the difference in the mean number of cell phone calls per month for 18-24-year-olds and 45-54-year-olds.

How do you write 13406 in. word form

What is 91% as a ratio

A number of people bought a 300 hectares farm which they shared equally. If the number of hectares per person was 5 less than their number. Find the number of people

Evaluate the expression 1/3 (4+18) 4

Write the fraction 16/18 in simplest form.

Solve equation: tan3x=1

Mark bought gifts for his friends, and each gift cost $9. Let y represent the total cost and x represent the number of gifts. Write an equation to represent the proportional relationship between the total cost and the number of gifts he bought?

If a man ran 12mph for 30 minutes, how far did he run?

The value of an investment is expected to grow by 5% per year. How long will it take for the value to double? Question 1 options: about 4 years about 7 years about 14 years about 23 years

Katie said,"Negative numbers are integers."What was her error?