6ounces of silver is worth $120. graph the relationship of the value of the silver to its weight

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

Can someone check my answer? you : )

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?