The height of a toy car is 4 in, and the height of a car is 4 ft 8 in. write the ratio of the height of the toy car to the actual car. (hint: convert to like units before simplifying the ratio.)

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?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?