The annual day care cost per child is normally distributed with a mean of $8,000 and a standard deviation of $1,500. What percent of daycare costs are more than $7250 annually? In a random sample of 120 families, how many pay more than $7250 annually for day care per child? In a random sample of 120 families, how many pay between $6500 and $8750 annually for day care per child?

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

7.3

step-by-step explanation:

there is nothing below so i cannot

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft