To which subset(s) does the number –start root 25 end root belong?

choose all that apply.

-irrational numbers
-rational numbers
-integers
-whole numbers
-natural numbers

answer: it's a

step-by-step explanation:

triangle and cube

step-by-step explanation:

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a