Please help and can you just type the answer because files don’t work please and thank you

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?