(10 points) In a bag there are 7 red marbles, 3 yellow marbles and 2 blue marble. What is the probability that a blue marble will be selected on the first draw?

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What is the prime factorization of 23 ?me with this question

How do i multiply two digit numbers

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )