It snowed 2/3 of a foot in January and 1/2 of a foot in February. How much more did it snow in January than in February? I NEED AN ANSWER ASAP

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm