Answer:
2n +10= 140
4n- 40= 80
2n= 3n - 20
Step-by-step explanation:
it is the am progression or sum progression
Answer:
the answer is 6
Step-by-step explanation:
the little triangle is half the size but with the same degree
Answer:
The last one: 25%
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
Answer:
$1820
Step-by-step explanation:
35 x 52 = $1820