Answer:it’s B (120 succes and 80 failures for khan academy)
Step-by-step explanation: trust me
Question 2. :
8^2 = 64 and 9^2 = 81, therefore the square root of 65 falls between these two values, 8 and 9, 64<65<81
Question 3. :
13^2 = 169 and 14^2 = 196, the correct answer is square root of 175, because 169<175<196
Hope this helps, you only need to know the squared values and square roots.
[-½, ¾]; use either "Substitution" or "Elimination" to do this, and you'll see that this answer is correct.
Answer:
6471
Step-by-step explanation:
F(x) = (√ x +6) +8
f(x-1) = (√ x-1 +6) -8
=(√x+5) -8