Match each answer to the correct problem

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

Which expression represent a number that is one fourth as great as 10-2a. (10-2)+4b. (10-2)÷4c. (10-2)-4d. (10-2)×4

In the? 1970s, due to world? events, there was a gasoline shortage in the united states. there were often long lines of cars waiting at gas stations. if there were a million cars in? line, bumper to? bumper, with average length of 9.04 ? feet, how long would that line be in? miles?