Question

Please help with these three math questions!!!! I really need it

Answer 1

2. replace the x by 2 and work it out
= 7(2) - 5

3. that cost $7.50 each and $0.25 is taken off the cost of any number you perchasse

so it 0.75n - 0.25

4. Hint the second (y) values are obtained from the first (x) values by multiplying by 2

Answer 2

1. is 9
and the other ones i dont really know