Please help me;(( sáng mai tui phải nộp bài rồi mọi ngươi ai biết câu nào giúp tui câu đó với ạ thành thật cảm ơn mng

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.

answer:

a=9

step-by-step explanation: lmk if you need a explanation

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.

its line 2 i just added the rest or else it wouldn't let me answer