In order to figure out 30% of 920 you multiply 920 by 0.3
920 * 0.3 = 276
Answer:

Step-by-step explanation:
since
, We can substitue for 
Answer:
X=3
Step-by-step explanation:
180-105-46=6x+11
6x+11=29
6x=18
x=3
Answer:
II. int z;
Step-by-step explanation:
int z;
is the best option, because on the next line you will define the variable as
z = (x + y) / 2;
you can also use int z=0; but it is not necessary according to the code segment given.
Answer:
y = 4x-9
Step-by-step explanation:
16x-4y-36 = 0
-4y = -16x+36(subtract 16x from both sides and add 36)\
y = 4x-9(divide both sides by -4)