Which expression is a difference of two terms that is equivalent to -6z + 13?
A. (5z + 2) - (11z - 15)
B. (11z +2) - (5z + 15)
C. (11z + 15) - (5z + 2)
D. (5z + 15) - (11z + 2)

Please answer, I would really appreciate it

Which representation has a constant of variation of -2.5

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.