There are 9 singers. they each preform 3 songs at the recital. how many songs were performed ?

(word problem )

Which best explains why this triangle is or is not a right triangle?

Three times the sum of a number and seven is negative thirty-six. what is the number?

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.