Which of the following is a 5th degree trinomial with a leading coefficient of -2?

A) -2x^5+3x-1
B) 5x^-2+3x-1
C) 2x+5
D) -2x^5+3x^4+2x^3+x^2-10

Which of the following is the result of expanding

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

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.