Hello, i need with my past math portion. can someone me? for example a question would be f(x)= 2x-4/ 2x(2)+2x-4

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

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?

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?