3 3/4 cups of sugar are needed to make 30 cookies. Write the unit rate for the number of cookies that can be made per each cup of sugar

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points