Find the measure of the indicated angle to the nearest degree

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?