From a sample of 80 batteries, 3 are faulty. Work out the percentage of faulty batteries.
Explain step by step

What numbers are included in the set of integers? what numbers are not included?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?