Tendo a fórmula geral de uma PA podemos afirmar que: an=a1+(n+1).r a) an é o primeiro termo da sequência
b) r é a raiz de PA
c) n é a quantidade de termos que possui PA
d) a1 é o milésimo termo da sequência

x + 107

step-by-step explanation:

let's say that the number he had before the mistake was x. then, he will have 107 dollars more than this, so the answer is x + 107.

o= 4(i) +3

step-by-step explanation:

o is your output value and i is your input value. so, for example, if we stuck 7 in as our input, we would first multiply by 4 ( pemdas ), which equals 28. then we would add 3 to 28, for a total output of 31. this may not be a graph, but, it is a way to solve your formula..

your answer is  

d.

196.5 m2

step-by-step explanation:

the answer is a. q=6,r=6√2

step-by-step explanation: