How many different 4-digit PIN codes are there that only include the digits 2, 3, 4, 6, 7, 8 and 9 if each of those digits is only allowed to be used once?
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What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?