Write -4i + (1/4-/4+8i)+17i as a complex number in standard form

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

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.

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account