Solve 2(x+4)=4 *2(x-2)-2x

i need help please it’s a quiz question

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?