Ik 16 is right i just need help on two blank ones please

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

Simplify the expression 10/11(22z) + (a+5) -1