The display of a students calculator shows 1.2731568 the student is most likely looking at a
integer
whole number
rational number
natural number?

Rational, but to be sure it wouldn't be any of the numbers because its not an integer which is basically a whole number or natural number, so the last option is rational

Rational Number. A whole number is a number that is whole within itself and cannot create a fraction, same with a natural number. So the answer is "Rational Number"

First subtract 10 from both side
y^2+6y-16=0
(y+8)(y-2)=0
-8 and 2

Ithink it is b and d