For a clinical test, a random sample of 100 subjects was chosen. Assume the population standard deviation of systolic blood pressure is 5.5. Find the margin of error for the 95% confidence level used to estimate the mean systolic blood pressure of the entire population.

plus/minus 83.57468
plus/minus 1.078
plus/minus 3.7214
plus/minus 2.1256

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions.length: feetwidth: feet