Please help me see if these are right and if they are not please help correct them

Ahighway between points a and b has been closed for repairs. an alternative route between there two locations is to travel between a and c and then from c to b what is the value of y and what is the total distance from a to c to b?

Jahdzia wears her winter coat when the temperature is colder than -4 degrees celsius. write an inequality that is true only for temperatures (t) at which jahdzia wears her winter coat.

An isosceles trapezoid was broken into a rectangle and two triangles. what are the base and height of one of the triangles?