Complete cada frase com a unidade de medida mais adequada. Use as unidades km (quilômetro), m (metro) ou cm (centímetro).
a. O diâmetro da Terra é aproximadamente 13 000 .
b. A espessura de uma porta é de 5 .
c. O comprimento de uma caneta esferográfica é aproximadamente 15 .
d. Um terreno tem 36 de frente.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.

i agree because i see the other persons thinking is clear

i think it would be c

mark brainliest if im right

step-by-step explanation: