PLEASE HELP AND EXPLAIN! (3 different problems)

4-c/4-(2+b); use b= -4 and c= -4

y times z/4(x+x); use x= -3, y= 6, and z= -4

y- x+5+y/4; use x=4 and y= -1

Respuesta :

Answer:

a}4/3

b}

c}-1/4

Step-by-step explanation:

a}4-c/4-(2+b)

putting the values of b and c n its place

4-(-4)/4-(2-4)

4+4/4-(-2)

8/4+2

8/6

4/3 or 1.33

b}IDK SORRY

c} y-x+5+y/4

-1-4+5-1/4

-6+5/4

-1/4