The sum of two numbers is equal to 30. which of the following expressions can be used to find the product of the two numbers if one of the numbers is x? a. x^2 b. x(x-30) c. x(30-x) d. (x-30)^2

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?