H i here are some p o i n t s
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Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Write the expression 7x^3-28xy^2 as the product of 3 factors

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)