Um lapis custa a quarta parte do valor de uma caneta e os dois juntos custam 12 reais, qual é o valor do lapis?

the battle of gettysburg is considered the "high water mark" of the confederacy because it marked the greatest advance of the confederate forces against the union.

where is the gragh

step-by-step explanation:

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.