A pet pharmaceutical company releases a new treatment, claiming to control fleas in cats for an average of 60 days per dose. A sample of 60 treated cats controlled fleas for an average of 58 days with a standard deviation of 6 days.

What is the z-value?

Type your answer into the box as a decimal rounded to the nearest hundredth.

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below. the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

The graph shows the distance kerri drives on a trip. what is kerri's speed?