If you could find answers to both questions that would be great thx

3) -5 and 5

4) 17 and - 17

Step-by-step explanation:

3)

y^2 - 1 = 24

y = 25

y = √25

y = - 5 and y = 5

4)

x^2 = 289

x = √289

x = 17 and x = - 17

there is no

a

step-by-step explanation:

a