Which polynomial represents the sum below? (X^8+2x^4+1)+(2x^4+x^2+1)

Math it's appreciated. (picture provided)

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.