Answer:
86.571428571
Step-by-step explanation:
The answer is b=-1 hopefully the s up so you can see my work and understand how I did it.
Answer:
39,6
Step-by-step explanation:

= 18 x 11
= 198
= 198 ÷ 5
= 39,6
The answer is 39,6
Answer:
C: x=-8
Step-by-step explanation:
The line is perpendicular to the X so you use the X value.
Answer:
<em>a) Sim, 2/3</em>
<em>b) Sim, 4</em>
Step-by-step explanation:
a) {18,24,27,33} e {12,16,18,22}
12/18 = 2/3
16/24 = 2/3
18/27 = 2/3
22/33 = 2/3
Sim, 2/3
b) {2,4,8,10} e {8,16,32,40}
8/2 = 4
16/4 = 4
32/8 = 4
40/10 = 4
Sim, 4