Through her bike 6 miles from her house to the library and then another two and 250 miles to her friend milo's house and carson's house is two 1/2 miles beyond milo's house how far we should travel from her house to carson's house

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?

What is sin 7x/4 ? i need on this urgent trig