In a video game, charles scored -250 points on his second play this brought his total score to 500. what was his score on the first play

What is the range? can’t seem to find it out

Combine like terms to make a simpler expression 3z+z

Finally, the arena decides to offer advertising space on the jerseys of the arena's own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14 what is this as a percentage? what is this as a fraction? what is the probability of not being shortlisted? give your answer as a decimal.