Pls help ;/ not hard btw Simplify the following and write with positive exponents:

5z-5(3z)-2

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.