In a random sample of 28 families, the average weekly food expense was $95.60 with a standard deviation of $22.50. determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to construct a confidence interval. assume the distribution of weekly food expenses is normally shaped. a. cannot use normal distribution or t-distribution. b. use the t-distribution. c. use normal distribution.

A(t)=728(1+0.04)^t how much money did aditya originally invest

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?