Acatering service offers 12 appetizers, 9 main courses, and 7 desserts. a banquet chairperson is to select 8 appetizers, 8 main courses, and 6 desserts for a banquet. in how many ways can this be done?

Need on this one asap im almost done with this subject

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle