The ideal length of a particular metal rod is 30.5 cm. the measured length may vary from the ideal length by at most 0.015 cm. what is the range of acceptable lengths for the rod?

This is different from the first one can someone me

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs.mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.