The table displays the scores of students on a recent exam. Find the mean of the
scores to the nearest ioth.
Score Number of Students
65
3
70
75
80
85
90

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.