Atheater charges $5 for student tickets and $7 for adults tickets. they sold 75 tickets for a total of $425. which set of equations can be used to determine x, the number of students tickets sold, and y, the number of adult tickets sold?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?