Pieces of paper with each letter of the alphabet are placed into a jar and drawn at random 4 times, with replacement. find the probability that a vowel is drawn at least once given that there are 5 vowels in the alphabet. round your answer to two decimal places.

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Which letters from the table represent like terms? a and b b and c a and d b and d