Explain the meaning of a poll that says 40% of Americans approve of the president's policies, with a margin of error of 5% and confidence level of 90%

Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

The function show two sisters' savings account and the rate at which they plan to deposit money