Answer:
Step-by-step explanation:
624 students
Since they’re only 3 parts more girls then boys and the number equals 144, you just have to divide 144 by 3. You’ll get 48
Multiply 5 and 8 by 48 to get 240 and 384 and add to get 624 which is the answer
<span>x intercept when f(x) = 0
so
</span><span>x^2-81 = 0
x^2 = 81
x = + 9 and x = -9
Answer
</span><span>C -9</span>
