Find two possible factors for the estimated product of 2,800,8,100,5,600,and 2,400

X^2/100+y^2/25=1 the length of the major axis is: a)5 b)10 c)20

Jamie has 7/10 of a pound of chicken to cook for dinner if she's going to put the chicken in between three people how much chicken will each person get

Need answer asap (see image) (20 points)