Me plss whats the answer a b c or d

Given the conditional statement, match the following. conditional statement: if two lines intersect, then their intersection is one point.

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=