The diagram shows a door lock. The code is a letter folowed by a number. a) how many different codes are there altogether. b) i know that the correct code begins with C. I press C, then i guess the single digit number. What is the probability that i open The door? Give your answer as a fraction.
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Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me