Rene descrates developed thesystem​

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

What is the value of x in the following equation? -3x-2=2x+8

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?