What is the base of an expression with index 2 and basic numeral 16?

base is 4

Step-by-step explanation:

let the base be x

according to the question,

x^2 = 16

x^2 = 4^2

since their power are same

x = 4

answer: b.36 feet

step-by-step explanation:

x = 12

y = 1

for the points!