Aline is drawn through (–4, 3) and (4, 3). which describes whether or not the line represents a direct variation?

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?