Answer:
500 would be the answer of this question but it is also the standard form of this question
Step-by-step explanation:
(x+2y)²=x²+4xy+4y²
...........
Answer:
aₙ = 7n +29
Step-by-step explanation:
22 ; 15 ; 8; 1;........aₙ
aₙ = -7n +29
A) is 30 because you move the decimal point towards the right 3 times because 1km=1000m