Aconstruction worker is building a wall. the wall is 17.5 yds long. he needs to place a stud every 15 inches. the first stud has already been placed at one end of the wall. how many additional studs are needed, if the last stud will be placed at the other end of the wall? first fill in the blanks on the left side using the ratios shown. then write your answer.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Find the quotient with the restriction.

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6