Write a rule for linear function in the table
a. f(x) 1/2x +1
b. f(x)=x+5
c. f(x)=-2x-1
d. f(x)=2x+1

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Ateacher brought a pack of 17 batteries . each calculator uses 3 batteries . how many calculator can the teacher fill with batteries

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?