A survey was given to a random sample of the residents of a town to determine whether they support a new plan to raise taxes in order to increase
education spending. The percentage of people who said the supported the
plan to raise taxes was 49%. The margin of error for the survey was 3%. Write
a confidence interval for the percentage of the population that favors the plan.

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.

Find the solution of this system of equation -7x+y=-20 9x-3y=36

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?