The angle of depression of the light to the nearest minute is

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

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Ineed i been stuck on this question since yesterday