Matematyka u plusem 5 str 158 zad 5 plis pomocy!!!

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.