A deck of plastic playing cards has 52 cards. How many cards are in 300 decks?

Which of the following represents the zeros of f(x) = 6x3 − 31x2 + 4x + 5? −5, one third , one half 5, − one third , one half 5, one third , − one half 5, one third , one half

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°