Question

Plz help accidentally checked it in

Answer 1

100

Explanation:

sqrt[y] = 10

Apply both side a ^2

then

y = 100

Best regards

Answer 2

Answer: b. 100

Explanation:

`\sqrt y-7=3\\\\\sqrt y=10\qquad added\ 7\ to\ both\ sides\\\\(\sqrt y)^2=(10)^2\\\\y=100\\\\\\Check:\\√(100)-7=3\\\\10-7=3\ \checkmark`