Answer:
36
Step-by-step explanation:
the first sequence starts
4 12 (3*4) 36 (3*12) 108 (3*36) ...
the second sequence starts
20 28 (8+20) 36 (8+28) 44 (8+36) ...
so, just by writing down a few elements you can see it already.
I knew it already before that just by thinking "the first sequence has only numbers that can be divided by 3. what is the first number of the second sequence that can be also divided by 3 ? oh, yeah, 36 !"
Answer:

from

Step-by-step explanation:
since the gradient of the line is 0
Answer:
190 cm^2
Step-by-step explanation:
There are 2 congruent square bases: 5 cm * 5 cm * 2 = 50 cm^2
There are 4 congruent rectangular sides: 5 cm * 7 cm * 4 = 140 cm^2
Total surface area: 50 cm^2 + 140 cm^2 = 190 cm^2