A is 11 and b is 16. for b you would plug in what you got for a for x
<span>If A = James's present age
then
</span><span>his age seven years from now = A - 7
hope it helps</span>
17)
x² + 8 = -8
x² = -8 - 8
x² = 16
x = ±√-16
x = ±√16i
x = <span>±4i
</span>
18)
x² + 5 = -3
x² = -3 - 5
x² = -8
x = ±√-8
x = ±√8i
x = ±2√2i
19)
x² + 3 = 0
x² = -3
x = ±√-3
x = <span>±</span>√3i
hope this helps, God bless!
Answer:b
Step-by-step explanation:
